Lenovo Lemei RHB01 smart wristband is equipped with 0.96 inch colorful display, and every function you want. Sleep monitoring lets you know your sleep status and adjust your sleep. The wristband will record full track of your exercise time, heart rate, step, distance and calorie, so that your movement is more scientific. Based on the pulse conduction rate technique, just wear the wristband, the blood pressure value will be detected by the optical sensor, and the APP forms the blood pressure report. It also monitor your blood oxygen content at any time, the higher the oxygen content, the better the metabolism. RHB01 supports remote photo, you can switch to photo interface and long press or shake to take a picture. Sedentary reminder reminds you to get up and exercise after you sitting for a long time. Phone calls, receiving information or new messages from APP, automatically pushed to the handset via vibration hints. Turn over the wrist to wake up the screen, which is simple and cool, more convenient to use at night. IP67 dust-proof and waterproof grade meets daily demands of anti-dust particles, rain, sweat and wash water. Main Specifications: MCU: NRF51822 QFAC Display: 0.96 inch TFT screen Strap Material: Silica gel Bluetooth Version: 5.0 Battery: 90mAh Standby: 4-7 days Charging: 3PIN charging clamp Waterproof: IP67 System Requirements: Android 4.4 above and iOS 9.0 above Main Functions: blood pressure, sports heart rate, blood oxygen, sleep monitor, sedentary reminder, step, distance, calorie, call/message/APP reminder, remote photo, music control Coming with black and gold for option, Lenovo Lemei RHB01 also provides multiple dials to meets the needs of your personality: https://gearvita.com/lenovo-lemei-rhb01-smart-wristband.html Related products: huawei honor magic smart watch xiaomi amazfit stratos 2