Bluetooth Hifi Music Headphones, Ultra-Low Latency, 5.1 Ultra-Fast Bluetooth, Foldable And Storage The Newly Upgraded 5.1 Bluetooth Ultra-Low Latency Connection Easily Enables Seamless Switching Between Devices In All Scenarios, Providing Players With More Diversified Gaming Experiences And Usage Scenarios, And Bringing More Possibilities To Your . The Newly Upgraded Bluetooth 5.1 Lossless Sound Quality Decoding Technology Can Use Technology To Present A Realistic Sound Experience, Whether It Is The Wind And Grass Or The Roar Of War, Making Playing Games Feel Like Being There. It Uses A Professional-Level Dynamic Unit, A 50mm Drive Unit With A Composite Diaphragm, And Uses Technology To Analyze The Original Taste Of Sound, Giving You An Extremely Realistic Experience Whether It Is A Call Or A Game. Powerful Network Call Noise Reduction Technology Accurately Captures Human Voices And Eliminates Environmental Noise. No Matter Where You Are, The Call Is As Clear And Stable As Face-To-Face. Description: 1. Sound Unit: 50mm Driver Unit 2. Speaker Sensitivity: 106db±3db 3. Frequency Response Range: 20hz ~20 Khz 4. Microphone Sensitivity: -45dbv (1v/Pa At 1khz) 5.Bluetooth Version: Bt 5.1 6. Bluetooth Effective Distance: 10 M 7.Battery Type: Rechargeable Ion Battery 8.Battery Capacity: 1000mah 9.Using Time (Full): 35h 10. Charging Time: 2.5h 11. Charging Port: Usb-C color:Black Material: protein leather Package Contents: 1 x Headphones 1 x Audio Cable 1 x Type-C Charging Cable 1 x Manual In Chinese And English Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.