Screen size: 1.3 inches Interface: USB 3.0 Wearing method: wrist strap Battery capacity: 220mAh Size: 41*49*15.45mm Communication function: support Additional features: audio-visual entertainment, step counting, mobile positioning, monitoring, social entertainment, smart reminders, remote control selfies, health monitoring, information push Wireless distance: 5m (inclusive) -10m (inclusive) Operation mode: touch Wristband material: silicone Strap style sporty Strap size: L (suitable for 160-180 mm wrist circumference) Function: Bluetooth call Color: white, pink, black, gold