1. Supports Bluetooth / wired connection modes 2. Protein leather earmuffs, soft and breathable, comfortable to wear 3. Retractable metal memory headband, adaptive head shape 4. 40mm large dynamic driver unit, stereo surround sound, rich music enjoyment 5. 400mAh large capacity battery, continuous listening to music for up to 50 hours 6. Bluetooth 5.4 technology, with noise reduction chip, low power consumption, stable connection 7. Independent buttons, can be operated with one hand, convenient and fast
