Bluetooth Talking Watch Heart Rate Blood Oxygen Exercise Monitoring Adult Smartband Name:GTS4 Smart Talking Watch Model:B6935SDF10956YJ490 Model:GTS4 Screen size:1.7 inches Interface:USB 2.0 Camera:None Body memory: 64mb Screen material: Glass Wearing style: Wristband Compatible systems: Android, iOS platforms Communication function: Support Additional features: Smart reminder, information push, sleep analysis Wireless distance: 10m and above Battery capacity: 350mAh Operation mode: Touch + button Product size: 44*37*13mm Screen resolution: 240*280 Wristband material: silicone Product weight: 50 (g) Strap style: Classic buckle type Strap size: 29-35mm Function: Bluetooth calling Communication type: non-card insertable Battery life: 7-14 days Charging method: Stand charger Waterproof rating: life waterproof Screen type: TFT screen Colour: black, blue, light grey, pink Packing list: watch, charger, manual, colour box Platform: Fully compatible Menu language:Multi-language Crowd:Ladies,Men,Business,Unisex,Popular,Teenagers,Couples,Fashion,Adults Languages supported: Simplified Chinese, Traditional Chinese, English, Japanese, German, French, Spanish, Italian, Russian, Dutch. APP supports languages: Simplified Chinese, Traditional Chinese, English, Japanese, German, French, Spanish, Italian, Russian, Dutch, Korean, Arabic and dozens of other languages. Features. MAI health management system, 100+ exercise modes, activity log, Bluetooth calling, one-touch measurement, heart rate, pressure, blood oxygen, blood pressure, sleep, weather, information, music control, timer, stopwatch, calculator, alarm clock, find your phone, etc.