Business Wireless Bluetooth Sports Headphones, Color: Q12 Blue 90 mAh(Colorful Box) Tag-Sensor Doorbell and maximizes service life

and maximizes service life

Read speed: up to 430MB/s

self-contained sealing ring

The relay mode actually extends a wireless network at a ratio of 1:1 and does not require cable connections

is ergonomic

Business Wireless Bluetooth Sports Headphones, Color: Q12 Blue 90 mAh(Colorful Box) Tag-Sensor Doorbell and maximizes service life1. Material: plastic 2. Built in lithium battery: 90mAh 300mAh (optional) 3. No stuttering, low power consumption, using the newly upgraded Bluetooth 5. 2 to connect with mobile devices, the signal is more stable and the transmission is faster 4. Charge for 10 minutes and talk for 4 hours, saving about 50% of the charging time 5. Double noise reduction system, filter the external environment noise, reduce the interference during the call, deep noise