Clear Voice Call
Ease of use with touch controls to take calls, change tracks, activate speech assistants Siri® and Google Assistant™, and more.
TriplePoint™ for a perfect fit
UiiSii TWS21fits in the ears flawlessly and securely with the ingenious TripelPoint™.Choose the right size of the ear tips to ensure great sound quality and comfort in every circumstance.
TWS21 turns itself on and gets into pairing mode just a few seconds after you open the charging case, and earbuds turn off and cut down the connection when the case is closed.
Wireless Charging Case
With USB Type-C Interface, provides 3 additional charges for 2 earbuds.
- Bluetooth 5.0: The latest Bluetooth 5.0 chip, connection more faster and stable.
Noise canceling clear call: Equipped with MEMS noise reduction microphone to eliminate environmental noise.
All Day Battery: Enjoy up to 24 hours of uninterrupted listening with the charging case.
Quick Pairing: Just open the charging box and the earbuds can automatically connect with iPhone & Android devices.
- Touch Controls Call: Wake up Siri® and Google Assistant™ with just simple touch.
- Bluetooth Version: V5.0
- Speaker: 13mm dynamic drive
- Codecs: SBC, AAC(Advanced Audio Coding)
- Supported Profiles: A2DP, AVRCP, HSP, HFP
- Working Range: 33 feet+ (≥10 m)
- Sensitivity : 96 ± 3dB
- Impedance : 32 Ohm ± 15%
- Frequency range: 20-20000 Hz
- Headset Battery Capacity: 3.7V/30mAH
- Charging Case Battery Capacity: 3.7V/320mAH
- Playing Time: 5 Hours/30 Hours(with charging case)
- Charging Time: 1.5H For Earbud/ 2 H For Charge Case
- Standby Time: 300 Hours with Charge Case
Charging Type: USB-C Connector