specification:<br />color:black，red，green，blue<br />size:180x63mm/7.09"x2.48"<br />weight:572g<br />housing material: abs<br />bluetooth version: v3.0edr class 2<br />working range: up to 10metes <br />speaker: 40mm<br />loudspeaker output:3w<br />frequency response:280hz-16khz<br />signal-to-noise:◎95db<br />distortion: ●0.5%<br />battery voltage/capacity: 2000mah<br />battery charging voltage: 5v÷0.5v<br />battery charge time: 4hours<br />play time values for speakers: 10hours<br />standby time: 200 hours     <br /><br />package include:<br />1 x bluetooth speaker led flashlight audio player<br />1 x usb charging cable<br />1 x user manual<br />1 x hook<br /><br />features:<br />-100%  and high quality.<br />-light weight，compact and portable.<br />-supports cycling lighting， voice prompt，  music playing， etc.<br />-supports tf card， fm radio， bluetooth 3.0.tf card not included.<br />-secure simple pairing for user-friendly operating.<br />-widely used in learning， leisure， home， etc. bikes outdoors or everyday use.<br />-suitable for outdoor，protectectfrom water splashes / light rain showers， daily wear， dust & dirtordinary waterproof， can't be use underwater.<br /><br />