Products keep you comfortable. Feature 100% brand new and high quality. Noise reduction and control with crystal clear sound the classic fashion appearance ,stereo listen to music, hands-free Full-function touch control, volume keys, number redial, voice reporting or reject incoming calls, etc. One with two connections, good sound quality Applicable modelsSuitable for all Bluetooth-enabled mobile phones, Bluetooth phones and voice equipment, such as PDA Specification Transmission frequency 2.4GHz-2.48GHz The main chip British imports csr8610 chip Connectivity Wireless Connecting interface Micro USB Application Mobile Phone Core chip CSR8635 Power supply Built-in rechargeable battery Working time Talk time 5 hours; Music time 5 hours Standby time Up to 180 hours Charging time About 2 hours Extended Function Bluetooth Yes Bluetooth version V4.0 Bluetooth distance WO obstacles 10m Bluetooth mode Hands free, Headset Package Content 1xBluetooth Headset 1x Micro USB charging cable 1x User Manual 1x Silicone ear tips Packing size: 9cm * 7cm * 4cm Weight: 48g It's hoped that you enjoy it.