Product Information A chemical product with a high level of commitment No Material plastic Sound isolation Yes Category Headphones and earphones Headphone insert material Memory foam Type of magnet Neodymium Bluetooth version 5.3 With a microphone Yes It's wireless Yes APP support NO Waterproof NO Cable length None Tenderness 84 dBdB Plug type Linear Function Sports, For video games, For mobile phone Active noise reduction NO Volume control Yes Control button Yes Audio standard Dynamic Wireless type Bluetooth Connectors 3.5mm Communication WireLess Style Headphone Origin CN (origin) Memory Card Support Yes Resistance 32ΩΩ Wireless type Bluetooth V5.3 Range 33 Feet about 10 Meters talk time as long as 20 hours Playback time about 20 hours Battery capacity 400mAh lithium battery Function Bluetooth headphone, Microphone, Voice control Compatible For Mobile phone pad PC TV Laptop Color 5 colors:red,green,blue,orange,rose Charge time 2-3 times other function TF card playing(excluded TF card) Features: 1. Bluetooth + MP3 function support stereo music playing, phone calling 2. Support all audio devices that have Bluetooth capability,such as,cell phone,tablet PC, laptop,computer etc. 3. 3.5mm audio jack,provides a simple wired connection of a variety of devices without Bluetooth. 4. Allow you to answer or reject phone calls anytime and anywhere. 5. Charged via USB, rechargeable battery, convenient and practical. 6.Playing time up to 10 hours,and continue talk time up to 8 hours,standby time up to 250 hours. 7.Good quality,foldable design and adjustable length hinges,very comfortable to wear and easy to carry. 8.Best choice for listening music,watching movie,chatting online etc. 9. with SD card insert, without any bluetooth devic