1 Bluetooth wireless technology, Bluetooth music player
2.MP3 playback, support TF card to play MP3 music directly
3 audio cable connection, support for mobile phones, computers, IPAD audio cable to connect the sound output

Specifications:
Bluetooth Specifications: Bluetooth V3.0 + EDR
Effective wireless distance: ≤10M
Frequency range: 60HZ-20HZ
Impedance: 4Ω
receiver sensitivity (TYP): - 90dBm
Output power: 3W
Audio SNR:> 65dB
USB Charging Voltage: DC 5V
working voltage: 3.7V
Built-in Battery: Lithium Battery 600mAh
Duration: 6 hours (60% volume)
Audio input: Bluetooth, LINE-IN
Product Size: 80* 42mm
Net weight: 170g
Material: zinc alloy + ABS
Color:blue,green,pink,black