This Bluetooth speaker can play music by linking to mobile phone, MP4, PC and other audio devices. It is durably constructed and comes in a pocket size for easy carrying. It can offer superior audio quality with its theatre shock function. 

Features:

• Case material: ABS + metal.
• Input: DC9.3V 1.3A.
• Working voltage: 7.4V.
• Output power: 5Wx2.
• Frequency: 40Hz—18KHz.
• Signal and noise ratio: ≥90dB.
• Impedance: 4 OHM (Ω).
• Speaker unit: 45mm.
• Battery capacity: 2 x 2000mAh.
• Bluetooth 4.0.
• Weight: 675g.

Bluetooth Li-ion battery speaker:

• Can play music by linking to mobile phone, MP3, MP4, PC, IPOD and other audio devices, if your devices have 3.5mm socket.
• Pocket size for carrying anywhere.
• Charging indicator.
• Bluetooth connect to PC/mobile/IPOD and so on.
• Microphone function.
• Support TF card function.
• Support FM function.
• NFC function.
• Optional features available.
• Rectangular shape.
• With theatre shock function.
• Buttons with backlight.
• Easy to operate.
• Suitable for promotion, gift, and stores for sell.

Power source: 

• USB 5V cable (connect with) from computer.