New Portable mini speaker Hands Free Watch Style Wireless Receive Call Music,Watch Shape Makes Your Sports Carefree, Running with Music. All Functions in 1 Watch: Support Bluetooth speaker, FM radio, MP3 Player, hands free calls, 1 key call back, Bluetooth shooting, Cell phone missing alarm. With the using of double Bluetooth (4.0+3.0) technology and Ergonomic design, it will be more suitable for human wearing habits and comfortable for wear. The bracelet has the following functions: pedometer, calorie burning, step, mileage, music player,alarm clock, remote self timer, intelligent answer calls, Lost-prevention, computer speaker, card reader, mobile U disk. Freedom to do sports. You could wirelessly stream music through any Bluetooth enabled devices via Bluetooth connectivity. Wear music on the wrist without the hassle of cords. More free and more enjoyable when running, jogging, cycling, hiking, skateboarding, walking in the park, etc. Applicable for smart phone for IOS 7.0 or higher Android4.3 or higher Bluetooth3.0 connection: open the Bluetooth device search of your smart phone, find the RS09, click it and they will connect automatically. Bluetooth4.0 connection: open the APP, register a Xwatch account and then sign in ,click the setup icon in the top left hand corner->connect device->bind a new device,and find the Bluetooth named "soundwatch" then click it,after the appearance of "synchronize succeed", then the bracelet have successfully connected with the smart phone.