Software features (time display, step, calorie, distance, sport mode, hand-on bright screen, sleep monitoring, running track; call reminder, message reminder; sedentary reminder; alarm reminder Do not disturb mode; shake a picture; find the bracelet; dial switch; dial in English; point measurement; WeChat movement; heart rate; blood pressure; blood oxygen; apple health; Bluetooth name; language; charging method USB charging; OTA upgrade support; waterproof waterproof rating IP67) Specifications: Size; 258mm*34.7mm*11.3mm Weight ; 36.5g Display size; 1.3inch Resolution; 240*240 Capacity; 180mAH Upper cover; tempered glass Body; zinc alloy / bottom shell ABS + PC Strap; silicone CPU; Hs6620D Heart rate Vibration Bluetooth; built-in; BT antenna r interface; USB direct . Touch touch; single point APP: Android 5.0 or above, for IOS 9.0 or above APP support language: Chinese, English, Japanese, Turkish, Spanish, German, Russian, Finnish, Arabic, French, Malay, Indonesian, Korean, Portuguese