0.96inch OLED IP68 Waterproof Smart Bracelet

Main chip: nrf51822 (cortex mo 16 mhz). The name of app: hplus watch. Bluetooth version: 4.0ble (low power). 0.96 inch oled 96 x 32dots large display. Waterproof: ip68 (30 meters deep waterproof). 24 hours real time heart rate monitoring, green light heart rate sensor. Built-in 70mah polymer battery, standby 7-10 days, use 4 days, charging 60 minutes. Support models: for ios 7.1 and android 4.4 and above. More functions: multi-motion mode (running, swimming, basketball), step, distance, calorie, sleep management, exercise target management, flip screen, sedentary reminder, palming bright screen, call/message reminder, wechat / sms / qq message vibration + text display, alarm clock. Package content: 1 x wristband, 1 x charger, 1 x instructions. (color.: green)