Lincass L12s Oled Smart Vibrating Bracelet and Sports Pedometer Bluetooth Watch with Call Display Answer Dial Music Player Anti-lost for Samsung HTC Android Smartphones (Purple) One-button speakerphone call, easy to help you solve the problem to drive calls, avoid driving violations and avoid dropped calls, to ensure the safety of traffic. L12S Smart Bluetooth bracelet unique dual-mode operation of the circuit design strong power + low power consumption, fast work powerful, 168 hours long standby, ultra-low power consumption and more power-saving, long-lasting battery life. After successful pairing Bluetooth can be time setting,is a Bluetooth device also a stylish watch. This product also has a mobile phone anti lost function, after docking with the Bluetooth mobile phone anti-theft feature, and is about 10 meters separating the phone will vibrate, reminding you not to forget to bring a cell phone or cell phone is lost or turned off. Latest CSR Bluetooth chip, the phone calls will be vibrating alert bracelet will not miss any opportunity, effective signal transmission up to 10 meters, the phone can be placed in a bag or pocket completely, eliminating the troubles to pick up the phone when you busy .