Bluetooth Standard: Bluetooth V3.0 Bluetooth Frequency Response: 2.4 G Hz Bluetooth Transmission Distance: Up to 10 meters Function: MP3, FM, Handsfree Battery Type: Rechargeable lithium battery Mic Effective Distance: 0~1 meters Charging Voltage: DC 5V Capacity of The Built-in Lithium Battery 300m Ah Operating Temperature: -10~70 degrees Storage Temperature: -20~80 degrees Interface/ Port: Mini USB (Universal Serial Bus) Instruction: 1. Power on & long press button undefined for 3 seconds to enter pairing mode, while red & blue indicator flash, activate your cell phone's Bluetooth function, & search for the
Material: ABS
Colour: Black