Product information:

Screen size: 1.39inch
Interface: USB 2.0
Camera: 1.3 million pixels
Body memory: 128M
Screen material: tempered glass
Wearing mode: wrist strap
Compatible system: fully compatible
Battery capacity: 250mAH
Operation mode: touch+button
Product size: Φ 4.6cm*1.2cm
Screen resolution: 360X360
Wrist strap material: silicone

Size: 246 * 22 * 2mm

Packing list：
Head * 1, strap * 1, instruction manual * 1, wireless charger * 1