Overview: A Bluetooth headset without earplugs, not into ear, wearing no pain. * Bluetooth V5.0, compatible with smart phone and most bluetooth device easily. * With USB Charging Cable Specification: Transmission range: 10 meters Features: battery display, call function,NFC function, voice control, music support, multi-point connection Bluetooth protocol: 5.0 Sound channel: stereo Usage: neck hanging type Monoaural or not: bilateral stereo Mold type: private mold Battery life: 5 (hours) Package Content : Wireless headset*1