T55 Bluetooth 5 series smart watch ECG heart rate monitor fitness IOS Bluetooth call smart watch 5 series is suitable for Android iPhone Model: T55 smart watch (two strap) Motherboard model: lh728-v1.1 Main board size: 32.6 * 30.6 * 0.6mm Processor: hs6620 + bk3259b Flash memory: 512KB + 32m GPS / AGPs: no G sensor: Yes M sensor: Yes BT: 4.2 + 5.0 dual mode Bluetooth antenna: hs6620 + bk3259b need welding wire Main screen: 1.54 HD IPS, 240 * 240 Touch screen: 2.5D fox face capacitor full fit touch screen Charging mode: 2-pin casing charging Microphone: Yes Battery capacity: 160mah Basic functions: steps, distance, calories, heart rate, blood pressure, oxygen, BT, call, BT, music, monitoring, sleep monitoring, call reminder, SMS reminder, social application message reminder, alarm clock reminder, sedentary lifestyle, exercise, turning wrist and lighting screen, searching wristband, searching mobile phone, remote photography, rejecting call, do not interfere with multi dial switch Application social information reminder wechat, QQ, Facebook, twitter, line, WhatsApp, instagram Multifunctional rope skipping, running, sit ups, table tennis, basketball, badminton, mountaineering, etc. Information push, simplified Chinese, all European countries / regions Application system: IOS 9.0 or above, Android 5.0 or above Application languages: English, SC, TC, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, polish, Arabic, Malaysia, Thai, Czech, Slovak Packing list: 1 * smart watch (watch, two belts, USB charging cable) 1 * user manual 1 * Retail Box