This Elephone W1 smart bracelet supports Bluetooth 4.0, which flaunts futuristic design set in 0.49"OLED screen and silver-tone mixed metal. When Elephone W1 is connected with your phone, you can use it to answer the phone call, control the phone camera, calculate your steps and help you make a management of sleep. And buy this Elephone W1 0.49"OLED MTK6260 Bluetooth 4.0 Smart Bracelet Watch Phone with Pedometer, Call Reminder, Anti-lost Function (Silver) Now $43.39. With Free Shipping@Focalprice.com