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3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI

Place of Origin Shenzhen, China
Brand Name Soungwo
Certification CE,ROHS,FCC
Model Number S21
Minimum Order Quantity 100pcs
Price USD6.49/PCS
Packaging Details Pack in the box
Delivery Time 7 working days
Payment Terms T/T, Western Union, PayPal
Supply Ability 200000pcs per month
Product Details
Noise Canceling Yes Bluetooth Support Protocol HSP/HFP/A2DP/AVRCP
Earphone Charging Time Less Than 1 Hours Three Way Call Standby
Control Way Touch Button Compatible System IOS/Android/Windows
Battery Capacity 3.7V 1800mAh(Lithium Polymer) Feature Multi-function Button, Lasting Battery Life
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3.7V 1800mAh Bluetooth Earphones For Running


3.7V 1800mAh Running Bluetooth Earphone


9D HIFI Bluetooth Earphones For Running

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Product Description

3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI


About this item:

Advanced Bluetooth 5.0 Technology

The wireless earphone adopt latest Bluetooth 5.0 technology which can connect to your device quick and easy. And compact designed antenna in wireless earbuds, the speed of signal transmission is double faster than the old version Bluetooth 4.2. The distance range of Bluetooth can up to 10M away.
Hi-Fi Stereo Sound & Deep Bass

The true wireless earphone with 9D full frequency HIFI, release the original sound quality which Truly authentic sound. Deep, accurate bass response and noise reduction. These wireless earphones let you enjoy high fidelity music quality and clear calls sound anytime anywhere.

Ergonomic Design

After more that one hundred test and continuous optimization. The earphone and cochlea fit tightly. Provide three different sizes of ear caps (S, M, L) to ensure you find the right fit for a good wearing experience. Comfortable to wear without pain.

Long battery life

1800 mAh battery with protection, such a large-capacity charging case can support charge for earphone up to 40 times. Quickly charge that it take less than an hour to charge the earphones. So suitable for your travel or Hiking, you can enjoy the amazing music always that will bring more fun to your journey. If your phone is low battery, you also can charge it by charging case, the same as a mobile power bank.


Product Parameter Item model number S21
Bluetooth Version 5.0
Charging Way Charged by magnetic tips in charging case
Working Time 3+ Hours
Standby time 100+ Hours
Battery capacity 2* 3.7V 45mAh(Lithium Polymer)
Operating Distance 10 + M
Color Black
Date First Available Feb. 2020
Product Dimensions 1.5X2.1CM(Single earphone)
Item Weight 4g(Single earphone)
Manufacturer WEE
Auto pairing Support
Voice Assistant Yes
Language English
Storage of paired devices 8 Devices that paired
Temperature limitation -16℃~52℃
Usage Music play, Mobile Phone, Sports, Travel, Driving, Workout, Running, Jogging, Hiking, Biking, gym
Main Feature True wireless, HD Stereo Sound, Stable and fast, Bluetooth, Waterproof and sweat-proof, Built-in Mic, Magnetic charging, One-key callback function


3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI 0

3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI 1

3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI 2

Charging Case Charging Input DC 5V
Charging time 2 Hours
Charging times 40 Times
Weight 75g
Size 8x5x2.75cm
Charge Port Micro-USB

3.7V 1800mAh Charging Case Bluetooth Earphones For Running 9D HIFI 3

ODM&MOQ LOGO printed on the item 1000pcs
Customized package 2000pcs
Package Contents True Wireless earbud *2pcs
Charging Case *1pcs
Ear-Tips (S/M/L) *3pcs
User Manual *1pcs
Micro-USB Cable *1pcs



Customer questions & answers

Question: Is the sound clear as I often answer phone call while driving?

Answer: My voice comes through pretty clear, as clear as if I was talking straight into the phone though.


Question: Is there latency in the sound when watching/playing game?

Answer: it works very well, I did not feel the delay.


Question: How to tell if earbud is fully charged ?

Answer: Indicate LED light show flashing red when it is low battery. Conversely, flashing red led light go off when it is fully charged.


Question: Does this earbuds can reduce the noise during the call?
Answer: Yes, it has noise cancellation so don't need to worry about environmental noise during the call.