Birdie Watches M7GPS sports watch

Screen size: 1.3 inches
Interface: USB 2.0

Screen material: zinc alloy, PC+glass fiber
Wireless distance: 5m (inclusive) -10m (inclusive)
Battery capacity: 360 mA
Product size: 270mm*22mm*15mm
Screen resolution: 240*240dpi

Wristband material: silicone

Body memory: 128MB+64MB