Comply Isolation T-400 Memory Foam Earphone Tips, Noise Cancelling Soft Replacement Earbud Secure Fit (S/M/L, 3 Pair), 17-40200-11, Black, Wireless

Comply Foam 400 Series Replacement Ear Tips for Bose Quiet Comfort 20, Sennheiser IE 300, Campfire Audio and More, Assorted S, M, L, 3 Pairs, Superior Noise Isolation, Unshakeable Fit, NO TechDefender

Comply Foam 500 Series Ear Tips for KZ ZS10 Pro, Sennheiser IE 100 Pro, 64 Audio U-Series, AKG N5005, Assorted S, M, & L, 3 Pairs - No TechDefender, Memory Foam Replacement Tips, Made in the USA

Qudelix-5K Bluetooth USB DAC AMP with LDAC, aptX Adaptive, aptX HD, AAC (Dual ES9219 3.5mm Unbalanced & 2.5mm Balanced Output)