-Display screen: dot-matrix LED display screen
-Battery type: polymer lithium battery
-Bluetooth version: 4.0 BLE(low power consumption)
-Master chip: Quant ic QN9021
-Memory: 64KB RAM+64kB ROM
-Sensor: gravity acceleration sensor
-Grade of waterproof: IP67
-Charging time: 2-3 hours
-Step-counting/Incoming calls reminder
-Range finding/SMS reminder/Selife Remote control
-Calories Consumption/Smart Anti-lost
-Sleep Management/Time display/ Event Reminder
