AK61 BT Call Smart Watch, Support Blood Pressure Heart Rate Sports Health Monitoring Fitness Tracker Hardware Parameters: 1. Main chip: Realtek 8763EWE 2. Memory: 16MB FLASH + 160KB RAM, external expansion 128MB FLASH 3. Screen: 1.39 inch IPS Colorful LCD; Resolution: 360 x 360 4. Touch: Full touch 5. Bluetooth-compatible: BLE 5.1 6. Heart Rate Sensor: VC30F; G-Sensor: Silan Micro SC7A20H 7. Battery: 400mAh polymer 8. Waterproof: IP68 9. Smart Bracelet Material: Main metal, TPU watchband 10. Size: 46 x 46 x 13mm 11. Weight: 55g System Parameters: 1. Android System: Support Android 4.4 and above 2. iOS System: Support iOS 9.0 and above 3. Function: Notification (Withcontent for Facebook, twitter, What app, Wechat, Line Kakao Talk lnstagram), encoder, pedometer, music player, BT call, call records, contact person, phone dialing, sedentary reminder(APP), sleep monitor, remote camera, weather forecast, heart rate, blood pressure 4. APP Support Language: Support 13 languages (Chinese, Traditional Chinese, English, Korean, Japanese, German, Russian, Spanish, Italian, French, Polish, Arabic, Portuguese) 5. Watch Language: Chinese, English, German, Hungry, Japanese, French, Spanish, Portuguese, Italian, Ko., Arabic, Polish 6. APP Name: DAfit Packing List: 1. Watch x 1 2. Charge Cable x 1 3. Manual x 1