* Dimensions: 46 x 46 x 9.9 mm
* Resolution: 240 x 240 pixels
* Color: Silver
* Bluetooth connection: v5.3
* Battery capacity: 240mAh
* Input parameters: 5V 500mA
* Battery life: 10 days (pulse measurement all day)
* Dustproof and waterproof rating: IP68
* Working temperature: -10C – 60C
* Synchronized data platform: Haylou Fun
* System requirements: Android 6.0+ / iOS 9.0+
