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