Impulse PRO Impulse Pro 3 - Wireless Neckband In-Ear Headphones with Active Noise Cancelling (ANC) IDLN-NKB03-OOANC-OPN Item 6078 Impulse PRO Impulse Pro 2 - Wireless Neckband In-Ear Headphones with Active Noise Cancelling (ANC) IDLN-NKB02-OOANC-OPN Item 6011 Active PRO Active PRO 2 - Wireless Neckband  In-Ear Sports Headphones with Active Noise Cancelling (ANC) IDLN-NKS02-SPANC-OPN Item 6022 Active PRO Active PRO 1 - Wireless Neckband  In-Ear Sports Headphones with Active Noise Cancelling (ANC) IDLN-NKS01-SPANC-OPN Item 6021 Active Active 1 - Wireless Neckband  In-Ear Sports Headphones IDLN-NKS01-SPOOO-OPN Item 6001