I7s tws wireless earbuds with built-in mic and a charging case mini in-ear headsets sports stereo earphone bluetooth earbuds for ios and most android smart phones (black)
stable, fast, easy pairing: bluetooth 4.2 headset earbuds instantly pair with any bluetooth device in seconds.
Universal compatibility: compatible with most bluetooth enabled devices, including iphone, samsung, huawei, android smartphones.
During the charging process, the indicator light will turn red, and after full charge, the indicator light will turn blue.
Technical specification:
bluetooth version: v4.2+edr
connects two phones at the same time: yes
charging voltage: dc 5v
battery capacity of charging case: 600mah
charging time of battery carrying case: about 90 minutes
talk time: about 1-2 hrs
playtime: about 2-3 hrs
standby time: 100 hrs
working range: up to 33ft (10m)
earphone weight: 4g x 2
charging dock size: 44*17*57mm
compatible devices: all devices with bluetooth