Smart Watches Waterproof Sports For Iphone
B57 women smart watch waterproof heart rate monitor blood pressure multiple sport mode smartwatch wearable watch men smart clock for ios for android Dear customer , please fill in the correct delivery address when creating the order, please be sure to fill in the house number!! If the address is incomplete, the Brazilian Post Office will not arrange delivery,or can't send you goods. Pls know this importatn point, my friends. thank you in advance! Descriptions: 1. Product model: B57 smart bracelet 2. Chip: NRF52832 3. Bluetooth: BT4.0 4. Compatible system: Android 4.4 and above, IOS 9.0 or above 5. Waterproof rating: IP67 6. Screen: 1.3 inch IPS color Resolution: 240*240 7. Touch: Single touch 8. Battery: 180 mAh 9. Charging: Magnetic charging 10. Charging time: about 1.5H 11. Standby: 25 days or so Working time: 7 days or so 12. Bracelet material: PC case + plastic case 13. Product size: about 48.9*34.5*11.7mm/1.92*1.35*0.46in 14. APP supp...