Wireless headphones Acefast H9 ANC black

1. BT version: 5.4; chip: JL7006
2. Battery capacity: 500mAh; charging time: 2.5 hours
3. Usage time: Music time: 55 hours (45 hours in ANC mode); 
talk time: 40 hours
4. Noise reduction depth: -30dB
5. Size: 177*78*200mm; weight: 221g

1. 30dB hybrid noise reduction technology, arbitrary switching of noise reduction/music sound mode
2. Skin-friendly protein skin + high rebound sponge, light and breathable
3. Multi-function button, one-button multi-purpose
4. Charge for 10 minutes and listen to songs for 7 hours