Brand & Model: Huawei Band 4 Heart Rate: Yes Waterproof: Yes Screen/Display Size: 0.96 Inch Display: TFT color screen Resolution: 80 x 160 pixels Memory: ROM: 384 KB, ROM: 1 MB, Flash: 32 MB Battery: 91 mAh (USB charging port) Charging time: about 1.5 hours (in ambient temperature of under 25 °C) Bluetooth frequency: 2.4 GHz Bluetooth 4.2 Material: Front cover: Plastic, Strap: Silicone rubber WATER RESISTANCE: 5ATM Dimension: Strap width: 17 mm, Strap length: 123 mm 85 mm Weight: Approximately 24 g(including the wrist strap) Color: Black, Sunrise Warranty: 06 Month Replacement Warranty.
