Charge your mobile device wherever you go with the 5,700mAh portable Power Bank from Fresh Connect. When you\\\'re out and about and your device has low battery simply plug a USB compatible cable into the Power Bank and give your device that all needed power boost. Compatible with any smart phone, tablet or MP3 player. Simply use your existing USB charging cable. Note: Always check your devices manual for full compatibility. Some devices may charge slowly if they require a higher output. Provides around 2 full mobile charge to most smartphones. Check your battery capacity of your smart phone to ensure this product will provide the recommended charge, as mobile devices differ in capacity.