Product detailsWireless Bluetooth Headset with Microphone Handsfree for IOS Android Smartphones:
Don’t overchargeing and long time to charge it.
Color: White, black?
Model: Air 3 Pro
Working time :2-4 hours, Call: 2-3 hours, Listen to the song: 2.5-3 hoursStandby time :80-100 hoursThe charging time: 1-2 hoursBattery capacity : 60MAHCharging capacity: 300~400MAHWireless distance : 10-12MCompatible phone: compatible with Android , IOS , Microsof and so on , 99% of the phone with bluetooth .Bluetooth version: Bluetooth v4.2 + EDR 5.0
Bluetooth use band: 2.4GHz With A2DP / AVRCP high-quality stereo audio transmission and remote control protocolPowerful noise de-noising circuit (active noise reduction)
Switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)
Charging time about 1.2 hour (power indicator charging: red light, full power: red light off (blue light).
Function: automatic pairing smart touch support Siri function low power consumption.

Wireless Bluetooth Headset with Microphone Handsfree for IOS Android Smartphones:
Don’t overchargeing and long time to charge it.
Color: White, black?
Model: Air 3 Pro
Working time :2-4 hours, Call: 2-3 hours, Listen to the song: 2.5-3 hoursStandby time :80-100 hoursThe charging time: 1-2 hoursBattery capacity : 60MAHCharging capacity: 300~400MAHWireless distance : 10-12MCompatible phone: compatible with Android , IOS , Microsof and so on , 99% of the phone with bluetooth .Bluetooth version: Bluetooth v4.2 + EDR 5.0
Bluetooth use band: 2.4GHz With A2DP / AVRCP high-quality stereo audio transmission and remote control protocolPowerful noise de-noising circuit (active noise reduction)
Switch
between Chinese and English (boot does not connect Bluetooth state,
press the switch 2 times, hear the tone switch successfully)
Charging time about 1.2 hour (power indicator charging: red light, full power: red light off (blue light).
Function: automatic pairing smart touch support Siri function low power consumption.