Model: haylousolar ls05
display: 1.28 inch tft screen.
definition: 240 x 240
bt version: v5.0
sensor: ultra-low dynamic accelerometer and force frequency optical sensor.
battery capacity: 340 mah.
compatibility: android 4.4 or higher, ios 8.0 or higher.
battery life: 15 days (hea rt monitoring activated)
water and dust resistant: ip68.
operating temperature: -4.0 ° f to 113.0 ° f.
data synchronization: haylou fit
language: chinese and english