Improved sound quality in every conversation thanks to ENC, along with powerful batteries that charge quickly and wirelessly: This comfortable true wireless headset offers real endurance and is the perfect choice for comfortable calling wherever you are, whether at work, in the car, or on the go. Wireless charging compatible. With or without cables: The headphone charging case can be charged using wireless charging technology - simply place the charging case on a compatible Qi charger for wireless charging. Charging dock with display: Easily check the battery status. The LED display shows the charge level for both earbuds and the case separately - you’ll know right away when it’s time to recharge. Fast charging function: Extremely quick charging. Thanks to Fast Charge, the Bluetooth earbuds are charged at high speed - just 10 minutes of fast charging provides 2.5 hours of playtime. Environmental Noise Cancelling (ENC): Enhanced sound and voice quality. With Environmental Noise Cancelling (ENC), the Bluetooth headphones filter out background noise.