Product Name: Bluetooth-compatible Headset
Type: Headphone
Transmission distance: 10mBattery
capacity: 400mAh
Sensitivity: 1053db
Horn diameter: 40mm
Play time: about 10h
Standby time: about 120h
Charging time: about 2hBuilt-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;