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| Categories | Bluetooth Earphone | 
|---|---|
| Brand Name: | SOUNGWO | 
| Model Number: | S21 | 
| Certification: | CE | 
| Place of Origin: | Shenzhen, China | 
| MOQ: | 100PCS | 
| Price: | USD 6.58 pcs | 
| Payment Terms: | T/T, Western Union | 
| Supply Ability: | 500000pcs/per month | 
| Delivery Time: | 8 working days | 
| Use: | Mobile Phone,Portable Media Player | 
| Function: | Noise Cancelling,Microphone | 
| Style: | In-Ear | 
| Communication: | Wireless | 
| Connectors: | USB,Bluetooth | 
| Color: | Black,White | 
| Bluetooth version: | 5.0 | 
| Standby time: | 100 Hours | 
| Cord length: | wireless | 
| Feature: | Stereo Sound | 
| Company Info. | 
| Shenzhen WEE Electronic CO.,LTD | 
| View Contact Details | 
| Product List | 
True wireless Bluetooth earphone built in mic noise canceling for i7s
The earphones that you carry with you can move freely and remain connected without being tied to the wires. These ergonomic wireless buds have their own comfort, can enjoy 19 hours of Pure Bass Sound, and can seamlessly switch between calls, music and voice assistants.

Excellent sound quality: experience clear, high-fidelity sound, and
Bluetooth 5 provides faster pairing and stable, efficient wireless
connection
One-click reconnection: Just remove the earbuds from the charging
case and they will automatically connect to your phone (after the
first pairing)
Convenient touch control: The multifunctional touch panel and
microphone on each earbud can easily manage audio playback and
calls. The earbuds can even be used alone like a Bluetooth headset
Long battery life: only one charge of earbuds can provide up to 5
hours of high-quality sound output, and the included charging box
can provide 6 additional charges, which can provide 30 hours of
total playback time

Product Parameter:
| Product Parameter | Item model number | |
| Bluetooth Version | ||
| Bluetooth support protocol | AVRCP, HSP, HFP, A2DP | |
| Active Noise Canceling | Yes | |
| Charging Time | 1 Hours | |
| Charging Way | Charged by magnetic tips in charging case | |
| Working Time | 30+ Hours | |
| Standby time | 100+ Hours | |
| Battery capacity | 2* 3.7V 40mAh(Lithium Polymer) | |
| Waterproof | IPX6 | |
| In-Ear Detection | Yes | |
| Call Noise Cancellation | Yes | |
| Mode of operation | Touch Control | |
| Color | Black, white, blue | |
| Operating Distance | 10m/ 33ft | |
| Fit Type | In-Ear | |
| Product Dimensions | 6.3 x 6.3 x 1.97 inches | |
| Item Weight | g/ ounces | |
| Volume Control | Yes | |
| Control way | Touch control | |
| Date First Available | Sep. | |
| Manufacturer | WE | |
| Voice Assistant | Yes | |
| Auto pairing | Yes | |
| Binaural calling | Yes | |
| Language | English | |
| Certification | CE,ROHS,FCC | |
| Compatible System | IOS/Android/Windows | |
| Storage of paired devices | 8 Devices that paired | |
| Temperature limitation | -16℃~52℃ | |
| Place of Origin | Shenzhen, China | |
| Usage | Portable Media Player, Mobile Phone, Gaming, Sports, Audiophile, Travel, PROFESSIONAL, Swimming | |
| Main Feature | True wireless, binaural call, high-fidelity stereo music playback; magnetic charging, convenient and fast; multi-function button, easy to operate; one-touch callback function; storage charging bin, lasting battery life;bluetooth, Waterproof, Noise Cancelling, Microphone | |
| Charging Case | Charging Input | DC 5V | 
| Battery capacity | 3.7V 260mAh(Lithium Polymer) | |
| Charging time | 2 Hours | |
| Charging times | 3 Times | |
| Charge Port | Micro-USB | |
| Weight | g / ounces | |
| ODM&MOQ | LOGO printed on the item | 500pcs | 
| Customized package | 1000pcs | |
| Package Contents | True Wireless Earphones | *2pcs | 
| Charging Case | *1pc | |
| User Manual | *1pc | |
| Ear-Tips (S/M/L) | *3pcs | |
| Micro-USB Cable | *1pc | |
| Package | Product NW/PCS | g | 
| Packing quantity / box | 100pcs / box | |
| FCL size | 39*32*39.5CM | |
| Weight of the whole case | 9KG | 
|   | 
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