JL Joinlinker Sport Smart Watch IP67 Waterproof Watch with Heart Rate Monitor,Activity Tracking, Sleep Monitoring,Sport Bracelet for Kids Women Men (Black)

Descriptions: 1. Product model: B57 smart bracelet 2 Chip: NRF52832 3 Bluetooth: BT4.0 4. Compatible System: Android 4.4 and higher, IOS 9.0 or higher 5 Waterproof classification: IP67 6. Screen: 1.3 inch IPS color resolution: 240 * 240 7. touch: one touch 8. Battery: 180 mAh 9. Load: magnetic charge 10. Charging time: approx. 1.5 H 11 Wait: 25 days more or less working time: 7 days more or less 12 Bracelet material: PC case + plastic case 13 Product size: approximately 48.9x34.5x11.7mm / 1.92x1.35 x inches 14 Net product weight: approximately 25.7g 15 Application support languages: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korea Notes: 1. charge before using it! 2. Do not use the smart bracelet in seawater, hot water or hot water! Packing list: 1 * bracelet 1 * Instruction manual 1 * Charging cable