The Xoopar® Ring Series rechargeable mobile power bank's lithium ion batteries give you 2600mAh of backup power for your mobile phone or other device. It features a wrist strap, charging indicator light and includes a micro USB cable to charge the power bank. Output is rated at 5V/1A. This product has undergone the most rigorous testing in the industry and is CE-EMC, RoHs, FCC VOC, MSDS, UN38.3, Prop 65, 7P, UL60950-1, UL60950-1, UL1642, CEC/BC certified and UL® listed.