Multifunctional practical 2.1 + EDR watch-shaped music speakers is perfect for daily use. The transmission distance is about 10 meters, suitable for various kinds of outdoor sports. It can be charged easily via USB . And with its unique watch shape, you will be more attractive when you use it, a special gift for your friend too. Features - Color: Blue. - Material: Silicone. - Size: 25 x 4 x 2.4 cm. - Screen Display Function: No. - Function: Yes. - Speaker Structure: Sealed. - Operating Mode: Button. - Function: , Hand-Free, -Lost. - Interface: Micro USB, Slot. - Power Supply: Built-In Battery. - Output Power: 3W 4R. - Charging Voltage: DC 5V 500MA. - Battery Capacity: 60MAh. - Version: .1+EDR. - Operating Distance: 10m(Without sealed obstacles). - Audio Format: MP3, WMA. - Working Time: 10h. - Frequency Response: -20KHz(+/- ). - SNR: 80dB. - Support Card: Yes . watch design, speaker wearing on your hand. - Support speaker, /Micro playback, . - Suitable for most kinds of mobile tablet PC with function. playing function can control play or pause, previous and next song. - Remote camera function means you can control the camera of your mobile phone through the music watch to take pictures. - Large volume speaker can fit most kinds of surroundings, provides you clear music playing and working conditions voice prompt. - -lost function, open your the -lost function of your mobile phone, the speaker will sound beam alarm once your mobile phone beyond the effective distance. - Unique hand-free function, needn’t answer calls with mobile phone taken in the hand in the car when you use hands-free function, more safe and convenient for your driving. - Large capacity battery provides long-term playing. Package list: 1 x Mini Speaker Watch 1 x USB Charging Cable 1 x Manual