TWS Portable Wireless bluetooth Speaker TF Card Aux-in Waterproof Outdoors Stereo Speaker Subwoofer

Specifications Power 3W Color Black Green Blue Yellow RedSize Approx 9x9x7cm 3 54x3 54x2 76 Power supply DC 5VFrequency range 90Hz 20KHz Playback time About 8 hours Charge time About 2 hours Battery built in 800 mAh battery Connection bluetooth 4 2 Support TF Card Maximum support for 32GB expansion TF Card not include Effective transmission distance 10m 30ft Compatibility device Mobile phones Tablet ComputerConnection technology TWS Features 1 Waterproof and one meter drop test strong outer casing protection2 bluetooth 4 2 with TWS connection technology can connect two devices at the same time3 Support TF card to play MP3 music 4 Supports audio input 5 Support USB connection to the computer to copy the file to the TF card 6 U shaped sound tube for the most beautiful sound transmission 7 Voice prompt hands free function bluetooth call function8 Built in bass system bass more shocking 9 Up to 8 hours can be played continuously 10 Suitable for home travel sports leisure entertainment learning and so on Package Included 1 x bluetooth Speaker 1 x USB Cable 1 x AUX Cable