description of the product 1, for Bluetooth V5.0, support most for Bluetooth devices and lower power consumption 2, 2000mAh charging case can fully charge 2 earbuds around 10-15 times, provide more music time. 3, with IPX7 waterproof technology, no need to worry about water and sweat anymore 4.8mms dual drive units, enjoy 9D strong deep bass music sound 5, Popular touch control function, support switch songs, phone call and call voice assistant. A notice: 1. Take out the headset, you will see the red and blue lights on the two headsets flashing 2. Double-click one of the headphones and wait about 10 seconds. 3. You will notice that the height of one of the headphones is only blue. 4. Then open the phone's Bluetooth search with "F9". Parameter: for Bluetooth version: V5.0 Operating range: 10 M (without obstacles) Music time: 4-5 hours Standby time: About 90 hours Charging time of the earphones: approx. 1 hour Charging box charging time: approx. 2-3 hours Battery capacity of the earphones: 50 x 2 mAh Capacity of the charging box: 2000 mAh Accessory lists: 2* headphones 1* charging case 3* ear caps 1* USB cable 1* User Manual
