Features:Handlebar Mount: Allow for effortless docking/undocking into included mounting bracket, specifically designed for bike handlebars.Multiple Playback Sources: Bluetooth-Compatible, FM Radio, TF/ U disk, AUX-in. Allow you choose freely for your favorite listening source.Convenient and safer. IPX5 waterproof and dustproof, give you the privilege to take your speaker anywhere.Hands-free Phone Call: Hands-free calling with built-in microphone.High quality: It is made by high-quality material, which could be used for a very long time.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: Plastic.Size:16.4*9.7*7cm.Transmission range: 10m.Battery capacity: 500mAh.Build-in battery: 3.7V.Working time: 3h.Power: 5W.Charging: 5V/ 0.5A.Waterproof: IPX5.