Key attributes screen size 44-49mm battery life Up to 4 days waterproof standard IPX-6 display type TFT screen resolution 320×240 feature App Control band material Silicone case material Alloy item shape Square function Sleep Tracker applicable people Female private mold Yes Charging Method Magnetic camera < 3MP Buckle styles Snap buckle Brand DW place of origin Guangdong, China Packaging and delivery Selling Units Single item Package size per batch 18X6X3 cm Gross weight per batch 0.200 kg