Wireless P9 Bluetooth Earphone Wireless Headphone

Bluetooth Earphone Wireless Headphone Subwoofer Headset with Micphone For IOS Android PhoneType: Headphones Transmission distance: 10m Battery capacity: 400mAh Sensitivity: 105±3db Speaker diameter: 40mm Playing time: about10h Standby time: about 120h Charging time: about 2h Built–in microphone: YES TF Card:Support Charging port: USBSong switching:Support (short press the function key) Volume adjustment: Support (long press the function key) Answerthe callhang up the call: Support (short press the function key) Audio IO interface:Support