Wireless modern Bluetooth headphones, over-ear, deep bass, sports stereo, high precision, long battery life, universal

Wireless type: 2. Foldable design - suitable for storage and transportation 3. Smart noise reduction, skin-friendly materials. 4. Charging time: about 2 hours 5. Operating time: 7 hours 6. Battery capacity: 300 mAh 7. Listening duration: about 10 hours 8. Frequency range: 2.402-2.480 GHz 9. Distance: 10 m