Fangrui Product Details 1. 278 Tws External Noise Cancelling Touch Bluetooth Earphone With Charging Box, Support Led Power Digital Display & Breathing Lights & Call & Voice Assistant 2. Features: 3. Bluetooth 5.0 Technology, No Game Delay 4. External Noise Reduction, Clear Calls; Hifi Sound 5. Smart Touch, Simple Operation; Can Wake Up The Voice Assistant 6. The Earphones Can Be Used Alone Or Two Together; When The Earphones Are Taken Out Of The Charging Box, They Will Be Automatically Turned On And Paired And Automatically Connected To The Phone 7. It Can Be Used With The Charging Box For Long-lasting Battery Life; It Can Also Be Used As A Power Bank For Charging Of Mobile Phones 8. The Middle Led Digital Display Shows The Power Of The Charging Box, And The Left And Right Breathing Lights Respectively Display The Power Of The Left And Right Earphone Batteries. 9. Semi-in-ear Design, Comfortable To Wear 10. Life Waterproof 11. Widely Compatible With Mobile Phonestabletscomputers With Bluetooth 12. Product Parameters: 13. Bluetooth Version: 5.0 14. Transmission Range: 10 Meters 15. Use Time (under Full Power): About 3-4 Hours