Brand new, unopened. Bought as a gift but never opened. The Sennheiser CX 300 II Precision earbuds are designed for those looking for high-quality sound and noise isolation. With a sleek in-ear design and a wired connectivity, these earbuds provide a comfortable and secure fit for extended listening sessions. The black colour and Sennheiser brand ensure both style and performance, making them a popular choice among music lovers on the go.
eBay
Headphone jack 3.5 mm Jack. Supplied with: ear adapter set (S/M/L) and carry case. Form factor In Ear. Included components Micro Ear White Intraatrial 3.5mm Jack 32 Ohm for iPhone.
eBay
comes boxed both case and left earbud, both hold charge however cannot check Bluetooth connectivity due to not having the right earbud hence sold as spare
eBay
Replace Battery For Sennheiser Momentum SDW Flex CX 7.00BT 2.0 3 30 60 450 5015 5016 550 5000 5013
Aliexpress UK