Welcome to Selly Studio's F5Mini Portable Bluetooth Speaker Outdoor Sports Cycling With High Volume Mountain Cycling Subwoofer Support TF, TWS, USB Model No.: F5mini Speaker unit: 1.5? speaker + subwoofer Power: 4? 4Wx2 Bluetooth version: 4.0+EDR Play mode: Bluetooth/FM/TF card/AUX Memory type: ? 32GB TF card Music format: APE?FLAC?MP3?WMA?WAV Battery: built-in 2500mAh lithium polymer battery Input: DC5V,1A?Micro USB port) Speaker size: 60mm x 68mm x 111mm Speaker N.W.:295g Speaker with Package G.W.: ID Bar-code: 6944044911417 Design Patent: ZL 2015 3 0075410.8 The Chapter III: Accessories Line control x 1 USB power/data c able x 1 AUX audio cable x 1 Bicycle specific bracket x 1 Support cable tie x 2 Portable hook x 1 Internal hexagonal wrench x 1 Long cable tie x 2 Short cable tie x 2 Usage Guide x 1 After sales service card x 1 Specifications Input/Output USB Battery Capacity[mAh] 2500 Touch Screen no Sound Mode Standard Mode Category Speakers Use other Woofer/Widerange material other Tweeter material other Sensivity 98dB Input Power(W) 25 W Impedance 2 Ohm Voice Control No Output Power Other Display Screen No Waterproof Yes Support APP Yes Support Memory Card Yes Remote Control No Intelligent Personal Assistant No Display Screen No Built-in Microphone No Audio Crossover Full-Range Number of Loudspeaker Enclosure 1 Power Source DC,Battery,USB Channels 2 (2.0) Feature Phone Function Battery Yes Communication Induction Speaker Type Portable Cabinet Material plastic Brand Name NowGo Origin Mainland China (description exceeds maximum possible length)