Size: 1.54 inch 240*240 dpi
Type: TFT
Bluetooth: BLE 4.0
Strap material: silicone strap
Size: Host: f47*13mm
Machine: 265*47*13mm"
Net weight: 65 g
Color: black, orange, green
Operation: full touch screen, side return button
Battery: polymer lithium ion battery
Battery capacity: 170 mAh
Standby time: 7-10 days
Charging method: USB magnetic charging cable
Charging time: about 2 hours