KR06 Outdoor Sports Bluetooth Waterproof Smart Watch 1. Material: metal, silicone, ectronic components 2. Functions: multiple sports mode tracking, step counting, heart rate monitoring, blood pressure measurement, smart reminder, remote sfie, sleep monitoring, blood oxygen detection, information push, call rejection 3. Applicable system: Android 4.4 and above, IOS 9.0 and above 4. Supported languages: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 5. Screen size: 1.8 inches (IPS screen) 6. Screen resolution: 240 x 286pix 7. Bluetooth version: 5. 08. Wiress distance: 5-10m (inclusive) 9. Body memory: RAM_256KB +ROM_64MB 10. Battery capacity: 320mAh lithium battery 11. Operation mode: touch + button 12. Waterproof grade: IP 6713. Using 1.8-inch IPS large screen + high hardness non-slip gl, wear-resistant and clear 14. Silicone strap, skin-friendly and comfortable, inside sweat-wicking design, breathable and not stuffy 15. Dimensions: Dial: 4.36 x 1.35 cm, Overall length: 22 cm