Features of this mini power bank speaker:
1. Impedence: 4 OHM(Ω); speaker power: 2W
2. Advantage: 3 in 1, mobile phone support, bluetoothe 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, for 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