Lenovo Hw01 Dynamic Heart Rate Monitor Bluetooth 4.2 Smart Wristband Bracelet

General Specification Brand Lenovo Model HW01 Color Black,Red Compatible OS Above iOS 8.0 + or Android 4.4 + Bluetooth Version Bluetooth 4.2 Language Chinese,English,French,Spanish,Italian,German,Turkish,Japanese Weight 23g Size 12.7(H)*18.8(W)*40.3(L)mm Special Features Heart Rate Monitor Yes Sleep Monitor Yes Pedometer Yes Anti lost Yes Caller/Message Reminer Yes Technical Parameters Sreen 0.91 inches OLED Battery Battery capacty: 3.7V/90mAh Standby time: 7Days Battery type: Li-polymer Sensor PXI PAH8001EI,3D G-Sensor Band Material: Silica gel Length: 155~220mm Operating Temperature -20~50 Processor Nordic nRF52832(ultralow-power) Package Included: 1*Lenovo HW01 Dynamic Heart Rate Monitor Bluetooth 4.2 Smart Wristband Bracelet 1*Charging Cable 1* Quick Start Guide