FEATURES SUMMARY Metal for Main BodyBluetooth Version:4.0Heart Rate, Blood pressureWater proof :IP67Chipset :NRF52832Internal Memory for storage:(ROM + RAM) 64KB + 512KB & add another flash:64M ByteG-Sensor:YI GUANG PD70-01C-TR7BT Antenna:YESSedentary Reminder (APP):YESSleep Monitor:YesVersion Bluetooth version:BT4.0Battery Type:polymerBattery Capacity:120mAh Display LCD display type:IPS, 1.08inches ScreenResolution ：240 * 210Screen Size 1.08inches Colorful LCDTouch Panel:Single touch APP function software Compability compatible software support IOS 9.0+ and Android 4.4+"Notification ( Facebook, twitter, What app, Wechat,Messaging, Calling) OptionalMessage push (Facebook, twitter, whatsapp, WeChat, QQ, SMS) optional "YesHeart rate:YI GUANG PD70-01C-TR7Blood pressure YES, by softwareBlood oxygen:N / ASupport OTA upgrade:YESAPP name for IOS:IOS market APP download search name:H BANDAPP name for Android:Android Market APP download search name:H BAND Languages Watch language:Chinese, EnglishAPP language :Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, PortuguesePush message language :Latin, Cyrillic, Chinese, Japanese, Korean, covering 150 national languages Accessories Gift Box 1pccharging cable 1pcUser Manual Manual / Language:English German French Japanese Italian Spanish Chinese Note:1. Wearable devices monitor human activities through electronic sensors. They are at the level of consumer electronics. It’s normal to have certain deviation. Users should treat these datas objectively. Please do not compare it to hospital equipment, which is NOT a medical device ! Before using, scan the QR code on the manual to download the APP and connect it to the watch in APP.2, As the firmware is continuously updated, the user interface will be updated accordingly. The images are for reference only, and everything is subject to the actual product.3, Can’t take a bath with a watch, can’t take a shower with a watch.