Main chip: Realtek Realtek8762D;
TWS chip: 8926B2 (Zhongke Lanxun);
Heart rate chip: Tianyi Hexin 3300;
Screen size: 1.32 inches, resolution 360 x 360;
Bluetooth-compatible version: call Bluetooth-compatible 5.0/data Bluetooth-compatible 4.0;
Music time: 3.5 hours;
Charging time: 1-2 hours;
Memory: 192KB RAM+1024KB ROM+128MB UI-Flash;
Compatible system: Android 4.4 and above; compatible for ios 8.0 and above;
APP software: FitCloudPro;
Features: Bluetooth-compatible call, full touch, heart rate, shake to take pictures, call reminder/rejection, information storage, multi-sport mode, weather, Chinese support Alipay;
Main functions: multi-language, information reminder, alarm clock, looking for bracelet, health monitoring, exercise record (pedometer, calorie, mileage), time, week, date, information reminder: SMS, QQ, WeChat, compatible for Skype / Facebook / Twitter / WhatsApp / Line / Viber;

The function of the button on the ear:

1. Press the button 4 times before pairing --------------- Chinese and English prompts to switch;
2. Long press 2S to turn on the phone, hold for 1.5 seconds to reject the call, and hold for 3 seconds to turn off;
3. Double click the button ----- answer/hang up the phone;
4. 4 click the button --- wake up compatible for SIRI;
5. Double click the button ----- play/pause;
6. Triple click the left ear button: previous song; triple-click the right ear button: next song);
7. Reset the headset to factory settings: When the headset is turned off, press and hold for 8 seconds. (If the two ears cannot be paired, you can restore the factory for re-pairing);

App supports languages: English, Simplified Chinese, Traditional Chinese, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, Polish, Portuguese, Russian, Finnish 26 languages: Chinese, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, and Hindi;

Watch Support: English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Korean, Vietnamese, Arabic, Hebrew, Thai, Croatian, Czech, Dutch, Indonesian, Malaysian, Finnish 23 languages including Chinese, Greek, Romanian, and Hindi;