Battery: polymer lithium battery
Signal to noise ratio: 85dB
Transmission distance: about 10~15 meters
Launch standard: CLASS 2
Listening time: about 4-6 hours
Standby time: about 120 hours
Charging time: about 60 minutes
Frequency response: 20Hz-20KHZ
Frequency range: 2402MHz~ 2480 MHz ISM BAND
Support Agreement: A2DP| AVRCP| HFP| HSP

Core function: open cover pop-up window/dual channel/intelligent touch/master-slave switching