Sea-star L21 43mm Aluminium

Model: L21 Item number: AL668875957680 Screen size: 1.69 inches Interface: USB 2.0 Body memory: 64MB Screen material: full screen touch Wearing method: wristband Compatible Systems: Fully Compatible Communication function: support Menu language: multiple languages Additional features: audio and video entertainment, step counting, monitoring, social entertainment, smart reminders, remote Selfie, health monitoring, information push, motion tracking, sleep analysis Wireless distance: 5m (inclusive) -10m (inclusive) Battery capacity: 220mAh Operation mode: touch button Product size: 43.0*36.0*9.8mm Screen resolution: 240*280 Wristband Material: Silicone Packing list: Watch charging cable manual box Strap style: sports Strap size: 28mm and below Function: waterproof, audio and video entertainment, camera, step counting, heart rate monitoring, blood pressure measurement, social entertainment, bluetooth call, smart reminder, remote selfie, sleep monitoring, blood oxygen detection, information push, exercise tracking Communication Type: Card Not Enabled Battery life: 7-14 days Charging method: cradle charge Charging method: Magnetic charging cable Waterproof grade: life waterproof Screen type: TFT screen