Charge your devices on the go with this keychain key fob charger. This sleek gadget provides a quick charge for your smart phone on the go. Securely attach Key Fob Charger to your car keys with durable carabiner. The Key Fob Charger will not add bulk to your keys. Easily recharge key fob with USB & wall charger. USB & micro USB port included on device. Dimensions: 1.5" x 3"