• Bluetooth-compatible 5.4 Connectivity: Upgraded wireless 5.4, easy and fast pairing, connection is more stable with no latency
• Clear Call Performance: Wireless Bluetooth-compatible ensure phone call clarity and uninterrupted conversations no matter where you are
• Long Battery Life: Match the charging bin to listen for a whole day, listen to songs for about 5 hours when the power is in emergency, charge quickly for 1.5 hours, and last for full power
• Ergonomic Design for Comfortable Fit: The ergonomic shape and light ear bud reduces the pressure in the ear canal while maintaining stability, guarantee a comfortable and secure fit in any ear, even for women and kids
• Support TWS Interconnection: Experience the convenience of True Wireless Stereo (TWS) pairing with this earphone. After the first pairing is completed, it will connect immediately after power on, and it will be stable and unobstructed

Specifications:

• Model: WS-21
• Bluetooth-compatible Version: 5.4
• Play Time: 3.5H
• Driver Unit: 13mm
• Frequency Response: 20Hz-20KHz
• Battery Capacity: charging case 230mAh + earphone 35mAh + earphone 35mAh
• Rated Power: 3MW
• Input: 5V-1A
• Charging Time: 1.5h