Link Dream Smartwatch Bluetooth V3.0 Headset Separate Design Sport Watch For Phone (Black) Scope Of Application: Sports, Gym, Running, DJ, Mobile Phone, Tablet PC, Computer, etc Imported CSR chip, experience the new bluetooth technology High-Quality 2 in 1 wearable stereo sound headphone plus electronic watch Advanced digital signal (DSP) tech provides you clear and soft sound Creative detachable design, automatic power back-up for earphone from watch base