P9 Wireless Bluetooth Headphones with Mic, Noise Cancelling Headsets

Product Name: Bluetooth-compatible Headset Type: Headphone Transmission distance: 10m Battery capacity: 400mAh Sensitivity: 105‡3db Horn diameter: 40mm Play time: about 10h Standby time: about 120h Charging time: about 2h Built-in Microphone: Yes TF card: support Charging port: USB Song switching: support (shortcut); Volume adjustment: support (long press the function key); Answer the call/hang up the call: support (short press); Audio I/O interface: support;