DT88 smart bracelet $ 25.62 Display: 1.22 inches 240*240 resolution Main chip: Nordic NRF52832 Bracelet length: 24.5cm Sensor: G- Sensor Battery capacity: 150mAh Bluetooth: 4.2 Strap material: silicone, Milanese mesh steel Waterproof level: IP68 level Battery life: 3 days of normal use, 7 days of standby
