Smart Band $ 16.22 Screen size: 0.87 "OLED screen. Bluetooth: BLE4.0 Weight: 19.8 g Battery Capacity: 70 mah Standby time: 5-8 days. Charge: one hour Data storage: 3-4 days. Product size: 23018.810.8mm. Memory: 32 KB + 256 KB
