1. The cable number is supported and the power display is supported

2. Multi-point connection is supported, which means that a bluetooth can connect two mobile phones at the same time

3. Bluetooth scheme of wind tunnel

4. Support the switch between Chinese and English

Bluetooth version: bilaterally bluetooth V4.1 ultra-low energy consumption

Support agreement: A2DP1. 3 / hfp1.6 hsp1.2 / avrcp1.6 / d11.3

Bluetooth usage band: 2.4GHZ

Bluetooth transmission distance: 10 meters

Battery capacity: 90mAh lithium

Standby time: 160 hours

Call duration: about 6 hours

Charging time: about 1.2 hours