OPTA OPTA SB-095 Fitness Band Smart Watch Smartwatch  (Black Strap, Free Size)

Professional heart rate, color screen + touch, IP67 waterproof note: blood pressure data is only for reference(might not be 100% accurate), not suitable for medical purpose.heart rate monitor uses the brand new dynamic algorithm to monitor the heart rate, which is more accurate and more reliable than other smart bands as most of other smart bands in the market are only with static algorithms Chip: CPU nRF52832 Bluetooth Version 4.0 Strap Material: Leather Material Front shell Alloy material Battery: 180 mAh Stand by Mode: 5 Days 2-5 Days In integrated Use and 11 Hours in depending on usage Heart rate chip BST-BMA253 Support System: IOS 8 and Android 4.3 Screen Resolution: 240*204 1.22 Inch weight of watch:45 Grams Complete package weight: 130 Grams Supported Languages: English, French, Spanish, Polish, Portuguese, Japanese, Italian, German, Czech, Russian Package List: 1 x Smart Band 1 x Charger cable 1 x User Manual