Feature:* Support sharing mode,mono/stereo modes: Each earbud can work individually or in pair, wear one or both earbuds depending your own needs; Or you can pair 2 buds simultaneously to share one with your friend or your family to enjoy the leisure time and the pleasure of music.
* One button design: One button control for track adjustment for phone call or redail. Simply a tap to pair / play / pause or answer / reject a phone call. Built in microphone with clear sound. Enjoy phone call with your friends and family.
* Working time & battery life: After the earbuds get fully power, the time for listening music or making calls with single earbuds is about 3 hours and with both earbuds is about 2.5 hours (the use time may be slightly varied depending on the volume and device)
* Charging cable & charge box: The earbuds with built-in battery, long working time. There is a USB charging cable in our accessories. Please use it for charging and the earbuds will show red light. They will be full charged after about 2 hours and the blue light will be on. Also you could use the charge box to recharge your both earbuds anytime and anywhere.Specification:Bluetooth version: 4.2
* Frequency response: 20Hz- 20KHz
* Wireless working distance: 10 m
* Battery capacity: 55mAh*2, 3.7V
* Charging case battery capacity: 500mAh
* DC charge input: 5V 1A
* Working time: 3.0- 4.0 hours
* Charging time: 1.0-1.5 hours
* Bluetooth headsets with charging base
* Compact and light-weight design
* CVC6.0 noise reduction
* Built- in mic for hands- free function
* Can connect 2 smartphones at the same time
* Ultra-small portable headsets