Features of this mini power bank speaker:
1. Impedence: 4 OHM(Ω); speaker power: 2W
2. Advantage: 3 in 1, mobile phone support, bluetooth speaker and power bank
3. Best protection for your devices: over-charging, short-circuit and over-discharging protection.
4. Auto sleep: It is auto sleep state when you did not use it to save power.
5. Standard configuration: power bank+ audio cable+ 2 in 1 charging cable.
It can charge most USB electronic device, such as mini fan, mobile phone, MP3, digital camera, DVD, bluetooth headset, PSP video games and so on.
More photos of 3 in 1 function mini portable speaker power bank with phone holder 4000mah:
Shenzhen MiQi Electronic Co., Ltd