Sennheiser’s new MOMENTUM True Wireless 2 delivers exceptional sound quality with superior comfort and craftsmanship. Now you can enjoy Sennheiser’s outstanding stereo sound anywhere and all day, thanks to Active Noise Cancellation and an exceptional 7-hourbattery life, which can be extended to up to 28 hours via the charging case. Earbud Features Audio Drivers: 7mm Frequency Response: 5 - 21 kHz Noise Cancelling: Yes Bluetooth® Version: 5.1 Microphone: Yes On-ear controls: Yes Water-resistant: Yes, IPX4 Charging port: USB-C™ Battery life: 7 hours of music time, 28 hours with case What’s in the Box: Sennheiser MOMENTUM True Wireless 2 Earbuds Charging case USB-C™ charging cable Silicone ear adapters (XS/S/M/L)