Sennheiser BTD 600 Bluetooth USB Adapter headphone proprietary 2-pin anti-tangle material + braided shield

anti-tangle material + braided shield + aluminum foil shield

finely engraved cloud patterns

apex alleviates listener fatigue by releasing air pressure sealed in the ear canal

0 Master mode

Sennheiser BTD 600 Bluetooth USB Adapter headphone proprietary 2-pin anti-tangle material + braided shieldBTD 600 Bluetooth adapter Make the most of your Bluetooth headphones. Upgrade your Bluetooth with aptX codecs The BTD 600 is a Bluetooth dongle specially developed by Sennheiser audio experts to be a perfect match for our Bluetooth enabled products. Its the easy way to get the best performance your headphones can offer. Connect Bluetooth headphones to a PC or Mac the easy way Use headphone controls for calls and media Enjoy the best quality your