Sennheiser IE 100 PRO – Dynamic In-Ear Monitoring Headphones
Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black - Walmart.com
Sennheiser MOMENTUM True Wireless 3 Earbuds -Bluetooth In-Ear Headphones for Music and Calls with ANC, Multipoint connectivity , IPX4, Qi charging, 28-hour Battery Life Compact Design - Black - Walmart.com
Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black : Electronics