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Home / Coffee Beans/ Is hanging ear coffee pure black coffee? What are the advantages and disadvantages of long-term drinking of filter coffee in the office? How long does it take to finish drinking the coffee?

Is hanging ear coffee pure black coffee? What are the advantages and disadvantages of long-term drinking of filter coffee in the office? How long does it take to finish drinking the coffee?

2026.10.20 FrontStreet Coffee 32

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First of all, I can tell you that hanging ear coffee is a type of black coffee. Grind the coffee beans into powder in advance and put them into a filter bag. Use hot water to extract the flavor substances in the coffee, thereby getting a cup of black coffee, which can be drank directly or mixed with milk for flavoring. Front Street’s ear-mounted coffee bags are made according to 10 grams per bag, which can brew a cup of about 130 to 150ml of coffee liquid, which is just enough for a single person.


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Who invented the hanging ear?


The earliest hanging ear coffee was invented by Japan's Yamanaka Industrial Co., Ltd. in 1990. Its design concept originated from the lanyard tea bag. The inventor hoped to simulate hand-pour drip coffee by preparing the coffee powder in advance and loading it into a non-woven filter bag. The paper on both sides of the filter bag can suspend the coffee bag in the center of the cup. Because it sticks to both sides of the cup like little ears, people call it "ear-hung coffee."


Beginning in 2002, the Japanese registered a patent for ear-hook coffee pods and promoted them to the market. Such a convenient and neat design suddenly became the mainstream of the market, and the domestic market is no exception.


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To brew ear-mounted coffee pods, we only need to prepare a pot of hot water and a cup to easily get a cup of fragrant coffee. After brewing, just throw away the coffee grounds together with the filter bag, which saves a lot of tedious steps. With the development of the specialty coffee industry, there are many types of coffee beans, and they can all be made into ear-hanging bags, so there are many choices. For example, the dozens of single-origin coffees on the Front Street Bean List can be made into hanging ears to achieve coffee freedom in various scenes, such as offices, parks, homes, etc.


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Advantages and disadvantages of hanging ear coffee


Whether in the office, at home, or outdoors, as long as you have hot water and a cup, you can easily get a cup of fragrant coffee, eliminating a lot of tedious links. With the development of the specialty coffee industry, various types of coffee beans can be used to make ear-hanging bags, so there are many options to choose from.


Compared with hand brewing, no complicated tools are needed for ear-hanging. The water injection method, time, and ratio do not need to be controlled as strictly as hand brewing. Just ensure enough hot water and the appropriate ratio. However, due to the "casual" operation, the flavor of coffee is often not as rich and varied as ​Pour over​(V60) coffee. In addition, the ear-hanging bags are ground in advance and put into packaging bags, so the aroma is naturally not as full as freshly ground coffee. If stored for too long for more than a few months, it may even produce some woody taste. Therefore, Front Street recommends drinking the ear-hanging bags within a month after receiving them.


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Many office workers ask Front Street to recommend some coffee beans suitable for making ear-hanging coffee bags. The bean list of Front Street has more than 50 single-origin coffee beans from different production areas, all of which can be made into ear-hanging coffee bags. You can start based on your own preferences:


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1. Fruit acid refreshing type


For friends who like sourness, Front Street recommends that you only focus on the description of acidity or floral aroma, such as Front Street fruit diced ears with white floral aroma and lemon citrus notes, Front Street washed Gesha ears, Front Street cherry tomato ears, Front Street flower butterfly ear and other varieties; or the flavor is written with words such as dried fruit, tropical fruits, rose flowers, etc., such as Front Street Bach ear, Front Street red cherry ear, Front Street Oiran ear.


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2. Mellow nutty type

However, Front Street has also noticed that most friends still pursue the type with strong taste and mellow flavor. If you are the same, then Front Street will give you a medium-dark roast first, such as Front Street Queen’s Manor Coffee, Front Street Bird of Paradise Coffee, Front Street The flavor descriptions of Golden Mandheling coffee, Front Street Blue Mountain coffee, and Front Street Whelan coffee include nuts, chocolate, caramel, cream, and cocoa. The brewed coffee has low acidity and a rich roasting aroma, which is very full.


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3. Rich wine aroma

Of course, many people are still like Front Street, who are not satisfied with a single flavor and taste, but want to drink a richer level in their hanging ears. If you like wine-flavored coffee, it is recommended to choose Front Street Sherry Hanging Ears, Front Street Mozart Hanging Ears, Front Street Strawberry Candy Hanging Ears, and Front Street Claw Hanging Ears; if you like fruity coffee, you might as well try Front Street Dorothy Hanging Ears and Front Street Bach Ears.


In order to retain the original flavor of coffee to the greatest extent, the coffee powder used in hanging ear coffee is usually ground from freshly roasted coffee beans. The coffee beans shipped by Front Street are all freshly roasted within 5 days. If they are made into hanging ear coffee, when we receive it, it is usually 4 to 5 days after roasting, and it is just right to start brewing and tasting. Front Street recommends drinking it as soon as possible after receiving it, otherwise the aroma of the coffee will be easily lost if stored for too long. If you want to taste the coffee with the fullest flavor, Front Street recommends buying whole beans, freshly ground and brewed, for a better flavor profile.


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Excessive coffee intake can easily lead to physical discomfort


The most common need for us to drink coffee is to refresh ourselves. Drinking a cup of coffee in the morning can open up our brains. Moreover, coffee is pure black coffee, which is different from latte coffee with milk. It has no calories, is not burdensome to drink, and will not make you fat.


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Black coffee can also promote the body's metabolism and has many benefits. For example, it can eliminate edema on the face. If you eat too much food that is particularly high in oil, salt, and sugar the day before and cause edema on the face, you can have a cup of coffee to reduce the swelling. Drinking it before exercise can also improve our fat loss efficiency and help us lose weight faster. However, you should not drink too much coffee, because excessive caffeine intake can cause heart palpitations, dizziness, etc., so you should drink coffee in moderation.



You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.

The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.

FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.

FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473

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