USAMS BU BT 5.1 TWS Earbuds AAC SBC HiFi Stereo Transparent Shell Wireless Earphone Headset For iPhone Samsung Xiaode Huawei Apple Device


Color: Choose an option

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Enjoy the freedom of wireless sound with USAMS BU BT 5.1 TWS Earbuds. These earbuds provide a HiFi auditory experience with their AAC SBC Stereo sound technology. Their transparent shell and wireless technology allows for a sophisticated and exclusive experience, taking your music wherever you go. With their compatibility with Apple, Samsung, Xiaode, and Huawei devices, you can ensure a delightful listening experience.


① Upgraded BT 5.1, fast and stable connection.
② Dual-channel stereo, immersive HiFi sound quality.
③ Built-in microphone, sensitive touch control.
④ Transparent shell, unique macaron color.

Fashion Transparent Case Creative TWS Earbuds -- BU Series.

True Wireless Stereo Earbuds


Transparent Shell 30hrs Playing Time BT 5.1 Sensitive Touch Control Half In-ear Design Two-channel Stereo Unique Macaron Color

Transparent Cover Design, Four Colors Available

Transparent shell, unique macaron colors.
Dual layers shell combination, clever and refreshing design.

Transparent Shell & Instant Connection

Transparent upper cover, using magnetic induction hall switch. Instant connection when opening the lid, put-on and listening.

13mm Speaker Impressive Sound Effects

13mm large dynamic speaker, delivering wide sound field, deep and rich bass, clear treble, lossless sound.

Dual-channel Stereo Immersive HiFi Sound Quality

AAC/SBC dual-channel high-quality audio decoding, support single/dual earbuds mode.

Advanced BT 5.1 Chip Ultra-low Latency

The transmission speed is 2 times faster than BT 5.0, the transfer distance is increased by 4 times. It can also effectively resist interference in the 2.4GHz frequency band, fast and stable connection with low power consumption.

BT 5.1 transfer rate is 2 times faster than BT5.0

30hrs of Playing Time Ultra-long Time Use

Up to 30 hours of total playing time with the charging case.

Half In-ear Design & Light

The half in-ear design, proper fit and comfortable to wear. Each earbud only weighs 3g, no pressure on ear canal.

Dual MIC Clear Phone Calls

An inset microphone in each earbud uses "beam forming" technology to accurately pick up the human voice, so your voice is always heard loud and clear on a call.

Touch Control & Sensitive Responsive

Sensitive touch control, easy to switch functions.

Super Mini Size

Smooth edges, comfort skin-friendly in texture. Compact size and lightweight, easy to carry.

Product Information

Brand: USAMS
Model: USAMS-BU12
Name: TWS Earbuds - BU Series
Color: White/Purple/Green/Pink
Material: ABS+PC
BT Version: 5.1
Connection Range: ≤12 meters
Speaker Diameter: 13mm
Speaker Sensitivity: 115±3dB
Speaker Impedance: 32Ω
Speaker Frequency Response: 20Hz~20KHz
SNR: >70
Earbud Weight: About 3g*2
Earbud Battery Capacity: 30mAh
Playing Time: About 5 hours
Calling Time: About 4 hours
Earbud Charging Time: About 1 hour
Charging Case Weight: About 35.5g
Charging Case Battery Capacity: 300mAh
Charging Time for The Case: About 1 hour
Charging Case Input: 5V
Standby Time: About 25 hours
Charging Case Size: 56*50*26.7mm
Compatibility: For Apple/Android devices with BT function
Including: Earbud*1 pair, Charging case*1, Type-C charging cable*1, User manual*1

Shipping & Delivery

Shipping Fee

Standard Method: free shipping to all countries.
Expedited Method: the freight is determined by the weight and size of the packages, shipping destinations and the shipping options.

Shipping Methods

Order processing time 0-4 Business days.
The total estimated time it takes to receive your order is shown below:

  • You place your order
  • (Processing time)
  • We ship your order
  • (Shipping time)
  • Delivery!
Total Estimated Delivery Time
The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: Order processing time 0-4 Business days.The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
Shipping time: The time for your item(s) to travel from our warehouse to your destination.
Shipping from Chinese Warehouse:
Standard Shipping Area time
United Kingdom, United States, Canada, Netherlands, Spain, Germany, France, Japan, Republic of Korea 7-15 business days

Australia ,New Zealand, Singapore

7-15 business days
Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 7-20 business days
Brazil, Mexico 15-35 business days
Other countries 7-25 business days
Expedited Shipping  3-7business days to All countries except those listed below 3-7 business days
Brazil 10-20 business days
(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
(5) Expedited shipping can not be used for PO Box addresses.
(6) The recipient will be responsible for any import taxes, customs duties, and fees associated with the recipient's country/territory. These costs vary depending on local law.
(7) We are not responsible for non-delivery caused by that client don’t provide enough information when making order.

(8) We are not responsible for the loss of the package due to incorrectly filled in the delivery address.

Payment methods

Pay With Credit/Debit Card
American Express Maestro Mastercard Visa
The credit card schemes listed above are the most commonly used credit cards on this website. Do not worry if your credit card scheme is not listed, we encourage you to go ahead and make the purchase.

Pay with Google Pay
Google Pay
Google Pay is Google's mobile payment service. When you place an order with Google Pay you will be redirected to the Google Pay payment page, where you can confirm your payment by using your credit/debit card, enter your credit card information.

Pay with Shop Pay
Shop Pay
Shop Pay is an accelerated checkout. When you place an order with Shop Pay you will be redirected to the Shop Pay payment page, where you can confirm your payment by using your credit/debit card, enter your credit card information.
Wholesale Inquiry

1. Price

The wholesale price will be much better than the retail selling. And it is various as the quantity, different product, the weight, etc. So for detailed information, please contact our customer service on

Wechat ID:    usams_global


2. Shipping

1) Preparing time

Orders are shipped usually within 3 business days after the payment is confirmed and cleared
2) Shipping terms

We ship to the worldwide by Airmail/DHL/UPS/FedEx/EMS.

2. Import duty

1) Please note: We, are not responsible for any import duties and custom cost for the goods passing your country custom.

2)Every country custom have different requirement for import, some countries are stick and special, have limited for the declares  value, description, shipping method; please check the import duty rule of your country before placing order. You can send us the declaration instructions if have special request when packing order.