by Q20i Hybrid Active Noise Cancelling Headphones, with Headphones Case, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass, Customize via an App

Hybrid Active
Noise Cancelling: 2 internal and 2 external mics work together to detect external noise and effectively reduce up to 90% of it, such as planes and car engines. Immerse Yourself in
Detailed Audio: The noise cancelling headphones feature oversized 40mm dynamic drivers that produce detailed sound and thumping beats with BassUp technology. Compatible with Hi-Res certified audio via the AUX cable for more detail. 40-Hour Runtime and
Fast Charging: With 40 hours of runtime with ANC on and 60 hours in normal mode, you can commute peacefully with your Bluetooth headphones without thinking about recharging. Fast charge for 5 mins to get an extra 4 hours of playtime.
Dual-Connections: Connect to two devices simultaneously with Bluetooth 5.0 and switch between them instantly. Whether you're working on your laptop or need to take a phone call, audio from your Bluetooth headphones will automatically play from the device you need to hear from.
Total Compatibility: The headphones case fits all compatible over-ear headphones, including Space One, Space Q45, Life Q35/Q30/Q20/Q20i, etc., ensuring a snug and secure fit