Bluetooth version: Bluetooth V4.1
Battery capacity: 160mAh
Channel system: stereo two-channel Product color: black, white Charging time: about 1.5 hours Talk time: about 15 hours (depending on the specific circumstances depending on the use of the environment) Music duration: about 14 hours (depending on the specific circumstances depending on the use of the environment) Support agreement: A2DP, AVRCP, HSP, HFP Input charging standard: DC5V-500mA Bluetooth operating frequency: 2.400GHz-2.480GHz Maximum transmission distance: ≥ 10 meters Features： 1.Support high – definition Bluetooth call; 2.Built – in English and intelligent voice prompts; 3. Mobile phone support IOS and Andrews system headset power display; 4.Support two simultaneous devices, one for two functions; 5. Double-click the volume + – key to activate the vibration massage function; 6. Voice switch (in English): in the boot state, press the multi-function keys “+” key and volume “-” key for about 2 seconds after the release, headphones issued a tone.