Bluetooth Calling Smart Watch Offline Payment Heart Rate Blood Pressure Monitoring $ 25.50 Product information: Material: tempered glass zinc alloy Strap material: silicone band TPU Size: 45.5mm X 45.5mm x10.6mm Screen: 1.32-inch OLED display Screen resolution: 360*360 PPI:326 Battery capacity: 260mAh Battery Type: lithium ion polymer battery Main chip: Ruiqi 8762DT HS333 ROM RAM:128MB FL ASH 320KB RAM Compatible system: Supports IOS 9.0 and Android 4.4 Microphone: Supported Size: Packing list: Watch 1 Charging Cable 1 Instruction Manual 1 Color Box 1 Product Image: