Product information: Suitable crowd: public, couples, fashion, adults Screen size: 1.9 inches Appearance size: 43.1x35.5x10.1mm Material: PC zinc alloy +PC Battery capacity: 230mAh Body memory: RAM192KB, ROM128Mb How to wear: wrist strap Operation mode: touch + button type Interface: Magnetic suction Wireless distance: 5m(inclusive)-10m(inclusive) Material of wrist strap: Silicone Additional features: step counting, intelligent reminder, remote control selfie, health monitoring, information push, sleep analysis Color category: Black Features: waterproof, step meter, heart rate monitoring, Bluetooth conversation, intelligent reminder, remote control selfie, sleep monitoring, blood oxygen detection Colors: Black, gold, silver Endurance: less than 7 days Charging mode: magnetic charging cable Waterproof grade: life waterproof Connection mode: Bluetooth Packing list: 1* Watch, charging cable, instruction manual Product picture: