System requirements: Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.0
Bluetooth version: BLE 5.0 BT3.0
Bluetooth chip: Telink Micro telink8258/8250+ JIELI
Heart rate chip: Tianyihexin 3300
Bracelet memory: 64M bit flash, 160k byte ram
Screen display: 1.69 inch IPS color screen
Battery capacity: 200mAh 502025 0.74wh
Standby time: only turn on 4.0 Bluetooth for about 15 days
Working hours: about 7 days with 4.0 Bluetooth enabled, about 72 hours with 3.0 Bluetooth enabled
Physical keys; full touch plus keys
Motor: built-in, vibration reminder
Charging interface: magnetic suction line charging 4PIN
Waterproof grade: IP67 life waterproof
Sensor: Gravity sensor Limin 3001
UI secondary menu language: Chinese, English, Thai, Russian, Spanish, Portuguese, traditional, Japanese, French, German, Italian (11 countries, default English)

Basic functions: dual bluetooth chip calling models, bracelets play bluetooth music and bluetooth calls, 15 sports modes, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, step counting, time and date display, step counting, calories, distance with screen display, Sleep monitoring (sleep time, sleep quality), standard sports functions (step counting, distance, calories), GPS track motion, time interface: 2 kinds of dynamic + 2 kinds of static, UI dial display + massive dial + custom dial, earth style Theme UI, 7 message storage viewing

Reminder function: call reminder, SMS (200), QQ, WeChat, DingTalk, Wangxin, Sina Weibo, lnstagram, linkeln, Snapchat, Tumblr, Facebook, Skype, Twitter, WhatsApp, Line, KakaoTalk and other message content push, Stopwatch, find mobile phone, reach the standard reminder, drink water reminder, raise your hand to brighten the screen, sedentary reminder, alarm clock reminder (8), shake to take pictures,

Features: Wechat sports access, sports goal setting, fitness information sharing, weather, smart alarm clock, raise your hand to brighten the screen, screen brightening time, find mobile phones, find bracelets, reject incoming calls, shake to take pictures, do not disturb mode (Do not disturb time setting, turn off the vibration of the bracelet, turn off the message reminder)
APP: FunKeep
SUOTA function, upgrade the bracelet firmware through APK/APP, automatically synchronize data to APK/APP, query history records, APP help: general problem solving
Android and IOS application synchronization: FunKeep reminder: (IOS system searches for FunKeep in Apple Store to download and install; Android system searches for FunKeep in Google Store to download and install)