Sennheiser CX Plus True Wireless Earbuds - Colour: Black - Power Supply: 5V/ 600mA max - Speaker Type: TrueResponse Transducer Sennheiser 7mm Dynamic Driver - USB Standard: USB-C - Frequency Response: 100Hz to 10 kHz (Mic) - Microphone: 2 Mic Beamforming Arrays - Bluetooth: BT 5.22 - Battery: Up to 24 Hours (with Charging Case) - Active Noise Cancellation - 509188 - 2 Years Limited Warranty

Manufacturer Warranty: 2 Years Limited Warranty

Manufacturer Contact Info: http://www.Sennheiser.com/,

Get yourself the best-in-class earbuds that make listening a joy. With Active Noise Cancellation to block out your surroundings and Transparent Hearing to stay aware whenever you want.