1. 4D Sound Effect, Comfortable To Wear, Sound Isolation And Noise Reduction, Head-Mounted Bluetooth Headset 2. Only When There Is No Sense Of Delay In The Sound Can You Enjoy The Experience. 3. Extra Large Dual-Core Dynamic Speakers, Stereo Dynamics, Eliminating Interference And Making The Air Flow More Stable, Giving You A New Experience Beyond Your Imagination. 4. Foldable Storage Makes Traveling More Convenient 5. The Left And Right Speakers Emit Sound In A Timely Manner, With Clear Layers That Put You In A Surround Environment. Description: 1. Function: Foldable, Luminous, Tf Card Insertable 2.Battery: 200mAh 3. Working Hours: 10h (Without Lights); 6h (With Lights On) 4. Charging Time: 2h 5. Scheme: 5.3 6. Speaker Specifications: 40mm 7. Transmission Range: 10m Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:Retro 2 Silver Material:Plastics+Aluminum Alloy Package Contents: 1 Pair x Vintage Headphones 1x Type-C Charging Cable 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.