... . batterywith pro-environment, safety and innocuity.2. Supply Battery Power from Wrist3. Rechargeable lithium battery which can charged via USB,It starts charging ... game system or cell phone while traveling.Features:1.Rechargeable Lithium ion Battery (1,500mAh, 5.5V)2.Capacity: 1,500mAh, 5.5V3 ...