Momax BH1A SPARK MAX Active Noise Cancelling Wireless Headphone (Grey)

1. The earphone detects noise inside and outside the ear, and uses ANC technology to emit anti-noise waves in real time to eliminate noise 2. Leather foam cushion earmuffs, light and comfortable, good wrapping feeling, adjustable headband suitable for different head shapes, fit without pressure 3. Support Qualcomm CVC8.0 dual-microphone call noise reduction, no matter the noisy subway or the busy city, the dialogue is as clear as the face 4. 40mm ultra-large drive unit, low-frequency diving is powerful, the mid-high frequency is transparent and bright, and the sound performance is relaxed. 5. 500mAh lithium polymer battery, lasting 28 hours of listening 6. Supports connection with NFC-enabled devices, gently approaching, easy pairing and connection 7. Foldable design, easy to carry 8. Simple and direct button operation, convenient and easy to use, more precise and clear command transmission 9. USB-C input: 5V/350mA 10. Battery type: lithium ion polymer 11. Battery capacity: 500mAh 12. Frequency response: 20-20kHz 13. Impedance: 32 ohm +/-10% 14. Sensitivity: 105+/-3dB 15. Wireless version: 5.0 16. Wireless mode: A2DP, AVRCP, HFP, HSP 17. Wireless audio decoding: SBC, AAC 18. Effective distance: 10mm (line of sight) 19. Full earphones: 2 hours 20. Use time: 20 hours (ANC on/volume about 60%), 28 hours (ANC off/volume about 60%) 21. Material: ABS+PC 22. Dimensions: 205x185x76.5mm 23. Net weight: 208g