X5 smart bracelet with built-in TWS Bluetooth earphones, thermometer and heart rate monitor. Black

X5 Smart Bracelet with Built-in TWS Bluetooth Earbuds: •Bluetooth 5.0 and 4.0. Clock functions: • Notice of calls, messages and push notifications from applications such as Whatsapp, Facebook, email, etc. • Automatic screen activation by turning the wrist. • Alarm reminder function (via vibration; 20 groups of reminders); stopwatch function. • Compatible with interchangeable straps with 20mm Quick Release system. • Recharging function: the main body can charge the earphones for 2-3 times. • Supported languages: Spanish, Italian, French, German, Portuguese, English, Traditional Chinese, Japanese, Korean, Russian, Vietnamese. Watch health features: • Monitoring of heart rate, blood oxygen and blood pressure. • Multi-sport mode, with step, distance and calorie measurement, includes modes with heart rate measurement. Walking, running, cycling, hiking and skipping mode. • Smart sleep monitor, with light and deep sleep time indicator. Headphone features: • Headphones with smart auto power. Automatic connection (once paired at first use). • Touch headphones with call and playback control functions. • Access to voice assistant type Siri and Ok Google (check availability on your smartphone). • Latest generation Bluetooth 5.0 with low consumption and long range. Main chip: NRDIC: 52832 Optical sensor: OSRAM SFH7070 Heart rate sensor：3300 Screen: 1.54inch,240*240 resolution, G+F full fit sliding touch screen Memory: 64KB RAM + 512KB flash Water and dust resistant: IP67 non-submersible, resistant to light splashes. Battery: 190mAh polymer battery charging module; headphones 30mAh polymer battery. Duration: 7-10 days or more Charging method: contact charging Charging time: about 1-2 hours Data connection: Bluetooth 5.0 and mobile phone Bluetooth 4.0 synchronization Data storage: local and cloud servers Control mode: touch screen Vibration: real-time vibration reminder Main Shell Material: Glass Lens + Aluminum Alloy Strap material: silicone Compatible systems: Android 4.4 and above; ios 8.0 and higher Headphone sensitivity: 105dB ±3dB/1KHz