Main control: nRF52832 +64KB RAM + 512KB FL AS+8Bit Screen: 1.08TFT true color screen Host size: φ35.8* 10 Weight: 50g Strap length: 220mm Bluetooth: BLE4.0 Waterproof level: 10 meters Resolution: 240*240 Operation mode: single touch Use time: 4 days or more Charging method: magnetic charging cable Standby time: 50 days or more Charging time: about 2 hours of charging Battery material: polymer lithium ion battery Host material and process: alloy + electroplating + AF + PC Acceleration sensor: 3-axis acceleration sensor

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