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

40-Hour Long Battery Life and Fast Charging: With 40 hours of battery life with ANC on and 60 hours in normal mode, you can commute in peace 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 instantly switch between them. 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.