Portable Waterproof Bluetooth Speaker Wireless Bass Subwoofer CamouflageKey Features...2000MAH super battery capacity music playback, enjoy music anytime, anywhere.Function, USB, Bluetooth, TF, FM radio, hands-free calling, with mobile power.Excellent for outdoor sport and exercise and travel and so on.Manufacturer SpecificationsGeneralItem type:SpeakerBluetooth version: 4.1Output power: RMS 10W*2..