Memory: 128. 2-Battery:280MAH APP:Lenyes Fit 2、Battery: 250MA 3, Screen size: 1.39 inch / round screen 4、Screen resolution: 360*360 5, BT: 5.2 6, Charging method: magnetic charging 7、Waterproof level: IP67 8, Charging time: 2.5-3h Standby time: 10 days-15 days Use time: 5 days-7 days 10, watch function: bluetooth call, breathing