AGPTEK Bluetooth Headset Wireless Hi-Fi Stereo Headphone

Bluetooth version: V4.2+EDR Bluetooth operating range : up to 10m (free space) Transmission frequency range: 2.4GHz-2.48GHz Supported profiles: A2DP, AVRCP, HSP, HFP Frequency response: 20Hz-20KHz Standby time: up to 100 hours Bluetooth music/call time: up to 5 hours Fully charged time: about 1-2 hours Operating environment: -10 to 50℃ Charging voltage/current: DC 5V Battery Capacility: 400mAH

• 1-month warranty

Support voice command. Answer/ hang-up calls through one-touch controls button. Double-click the button to switch another son. insert your SD card as alternatively, or connect your PC by the packed cable to enjoy your time, battery capacity also show in your smart phone to remind you timely.