suitable for AK57 Health Monitor Bluetooth Call Smart Watch Waterproof Sports Bracelet,Silicone Strap-YI WU CHUN HUI AK57 Health Monitor Bluetooth Call Smart Watch Waterproof Sports Bracelet, Silicone Strap - Black With a newly upgraded low-power chip, it can easily process all sports and health data, achieve lower power consumption computing, significantly increase performance, built-in 400mAh large battery, say goodbye to frequent charging IP67 waterproof, in daily life scenarios such as washing hands and rain, it can be relaxed and easily cope with Support a variety of sports modes such as mountaineering, skiing, and running, and more real-time monitoring of important data such as heart rate, distance, speed and heat consumption in sports helps you explore a larger world Real-time heart rate detection exercise intensity control, more accurate synchronous detection of green pulse rate Al voice command, connect Bluetooth, use the watch voice assistant function, you can give instructions, say goodbye to tedious Specifications: Model No.: AK57 Water proof IP67 waterproof PCBA Specification Comments Product Type / Material Smart bracelet/main metal, silicone watchband Chipset No. JL 7013A Memory Specification Comments Internal Memory for storage (ROM+RAM) RAM 640KB, ROM 2M, External FLASH Max External Memory Support (T Flash) (GB) 128MB Display Comments LCD style AMOLED Resolution 466*466 Screen Size 1.43inches AMLOED Touch Panel full touch Antenna Comments BT Antenna YES Sensors Comments (model no.) G-Sensor STK8321 Bluetooth Comments Version Dual mode - Bluetooth 5.3/3.0 (one click connection) Battery Type polymer Battery Capacity 400mAh Health Comments (model NO.) Heart rate HRS3602 High end low power sensor (High accuracy) Blood pressure YES, by software Blood oxygen YES Function&App Comments Compability support IOS 9.0+ and Android 4.4+ Notification(Withcontent for Facebook, twitter,What app,WechatLine Kakao Talk lnstagramMessagingCalling)Optional Yes Encoder NO Pedometer Yes music player yes Bluetooth call YES call records YES Contact person YES Phone dialing YES Sedentary Reminder(APP) YES Sleep Monitor Yes/Support scientific sleep 24-hour detection Remote Camera yes Weather forecast yes Languages Comments Language support APP: Simplified Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian Traditional Chinese, Korean, Dutch language, Swedish language, Czech language, Danish language, Polish language, Turkish language, Hebrew language, Thai, Hungarian language, Romanian language, Arabic, Vietnamese language, Hindi Preload Input method Chinese, English, Hungry, Japanese, French, Spanish, Portuguese SMS YES, view only, cannot reply Additional components Comments Vibrator Yes Speaker yes Buttons YES, by software USB yes Short Screen for our APP Comments Support OTA YES APP name for IOS HBAND APP name for Android HBAND Package included: 1 x Smart Watch 1 x Charging Cable 1 x English and Chinese User Manual Other items not include Package included: 1 x Smart Watch 1 x Charging Cable 1 x English and Chinese User Manual Other items not include Please pay attention to the title and description when buying, and pay attention to the title and description when buying.