Thanks for your visiting our store! Hardware information: Product size:45*40*10.7mm CPU:YC1133 flash memory:32MB+32MB G-sensor:SC7A20 M-sensor:YES Wifi:NO SIM:NO Bluetooth:5.0 LCD:IPS 1.99" Resolut more→ion:320*386 Touch Type:COB Full Touch Interaction Heart rate sensor:Tianyi Hexin HSR3300 Motor:YES Charging mode:Magnetic wireless charging Microphone:YES Number of keys:Three buttons 1 side button,1 encoder,1 motion button HornReceiver:YES Battery capacity:360mAh battery life:Standby time:30 days;Use time:3-5 days Appearance material: Zinc alloy IP65 life waterproof Software function: basic function:Dynamic Island,A new gesture for Bluetooth call,Game,step,distance,Calorie,Heart RateBlood