Fangrui Product Details 1. Momax 1-vibe Lite True Wireless Noise Cancelling Bt5.4 Earphones 2. Anc Active Noise Cancellation Technology, Millisecond-level Response, Precise Cancellation, -52db Deep Noise Reduction 3. Dual-microphone Enc Intelligent Noise Cancellation Ensures Clear Calls Even In Airports, High-speed Trains, And Windy Environments 4. 10mm Dynamic Driver Unit, Equipped With Advanced Audio Processing Technology, Delivers Powerful Bass And Immersive Sound Effects 5. 360-degree Spatial Sound For Immersive Gaming And Streaming 6. V5.4 Bluetooth, Highly Sensitive And Fast Connection, Low Latency And Interference Resistance, Stable And Uninterrupted Connection 7. More Scientific And Smooth Cavity Structure, Fits Snugly In The Ear Canal, Ensuring Long-lasting Comfort And Peace Of Mind 8. Smart Dual Connection, Supports Dual-device Switching 9. Ipx4 Water And Sweat Resistance For Greater Freedom Of Movement 10. Sliding Cover Design For Convenient Operation 11. Product Specifications 12. Material: Abs+pc 13. Battery Capacity: 3.7v 40mah (left), 3.7v 40mah (right), 3.7v 300mah (charging Case) 14. Input Power: 5v 500ma 15. Output Power: 5v 40ma 16. Battery Life: Music Time: About 7 Hours ( Volume), Talk Time: About 3 Hours ( Volume) 17. Charging Time: Earphones: 70 Minutes, Charging Case: 110 Minutes 18. Audio Codecs: Sbc, Aac 19. Active Noise Cancellation: Supported 20. Ambient Noise Cancellation: Supported 21. Waterproof Rating: Ipx4 22. Wireless Version: V5.4 23. Dimensions: 20x22x32mm (earphone), 65x59x30mm (charging Case) 24. Total Weight: 63.5g (each Earphone: 3.8g, Charging Case: 55.9g)