Features: 1) Ideal for long flights, outdoor activities, anytime and anywhere devices (iPod, PDA, cell phone) might run out of power 2) High capacity Li-ion battery cell increases devices' play time approx. 6 - 8h or more depending on the device 3) Compatible for iPod 4G, iPod mini, iPod shuffle, iPod with color display, iPod Nano and iPod with video 4) Compact and sleek design 5) Plug iPod shuffle compatible (directly), and use existing 30-pin USB sync cable (not included) compatible for other iPod devices 6) Standard USB port 7) Recharge from computer's USB port conveniently with included cable 8) Built-in battery tester button with battery level LED indicator 9) Includes 1 USB-A to mini B cable Model: P7-B12 Specifications: 1) Battery type: rechargeable 1,200mAh Li-ion battery 2) Output voltage: DC 5V 3) Output current: 1,200mA max. 4) Output capacity: 4.5W 5) Charging time: 4 hours for USB charging. 6) Cycle life: at least 400 times 7) Dimensions (W x L x H): 2.64 x 2.36 x 0.6" (67 x 60 x 15mm) 8) Net weight: 7.57oz. (214.3g) 9) Product color: black, white 10) 1 year warranty Model: P7-B17 Specifications: 1) Battery type: rechargeable 1,700mAh Li-ion battery 2) Output voltage: DC 5V 3) Output current: 1,200mA max. 4) Output capacity: 6W 5) Charging time: 5.5 hours for USB charging. 6) Cycle life: at least 400 times 7) Dimensions (W x L x H): 2.64 x 2.36 x 0.6" (67 x 60 x 15mm) 8) Net weight: 7.57oz. (214.3g) 9) Product color: black, white 10) 1 year warranty Model: P7-B34 Specifications: 1) Battery type: rechargeable 3,400mAh Li-ion battery 2) Output voltage: DC 5V 3) Output current: 1,200mA max. 4) Output capacity: 15W 5) Fast charging time: 9 hours for USB charging or 4.5 hours for AC adaptor charging 6) Cycle life: at least 400 times 7) Dimensions (W x L x H): 2.4 x 4 x 0.6" (61 x 101.6 x 15mm) 8) Net weight: 11.3oz. (320.3g) 9) Product color: black, white 10) 1 year warranty Other Price Terms: FOB Hong Kong Payment Terms: T/T Certification(s): FCC, CESupply Ability: 60,000pcs/month