... LED display 4.On/Off ,indicator 5000mAh Portable Rechargeable Mobile Phone BatterySpecifications:1.Product compatibility:Mobile phone, Mini laptop, digital camera, MP3, MP4, Iphone, Ipad ... or computer. Adaptor range : DC5V±0.5V, 1A2. Key function :a:Press the switch 3 seconds.On/Off. b:Press the ...