Rock Torch Bluetooth Earphone

Features: • Wireless distance: about 10 m • Frequency range: 20Hz-20kHz • Amount power: 3mW • Music time: about 3.5 hours • Call time: about 4 hours • Standby time: about 90 hours • Charging time: about 2 hours • Battery capacity: 55mAh • Answer / Hang short 1 times • According to the 2 short block • Play / suspend short press 1 times • The opening length of the machine is 3 seconds and the machine is closed for 5 seconds. • Switching charge in Chinese and English for 3 seconds