Sennheiser BTD 600 Bluetooth® adapter Make the most of your Bluetooth® headphones Solid like a cable - without the wires Plug it in, pair it, and enjoy flawless transmission. To communicate with clarity, it’s important to have a Bluetooth® connection you can trust. The BTD 600 gives you stable connections for interruption-free video conferencing and phone calls.What’s more, lower latency means excellent voice synchronization for watching movies and videos. And with aptX HD transmission quality, it’s easy to say goodbye to cables — even for hi-fidelity music listening. Features Pair your Bluetooth® headphones to your PC or Mac once — and you’re done Bluetooth® 5.2, aptX HD, and aptX Adaptive codecs let your headphones show their full potential Low latency for seamless video lip sync and smooth calls Use the controls on your headphones for music, videos, and calls Swap between multiple PCs or Macs without re-pairing Convenient USB-A to USB-C adapter included for broad compatibility Specifications Article number (SKU) 700248 Connectivity Bluetooth 5.2 compliant, class 1, 10 mW (max) Transmission frequency 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK Supported Profiles A2DP, AVRCP, HFP Supported codecs SBC, aptX™, aptX™ adaptive Weight 1.9g (Bluetooth dongle), 2.8g (USB A-C adapter) Size 15,5 x 19,7 x 7.8 mm (Bluetooth dongle), 15,5 x 25,3 x 7.8 mm (USB A-C adapter), 15,5 x 33 x 7.8 mm (dongle + adapter) Supported operating systems Windows 8.1 or later MacOS version 11 or later Storage Temperature Temp: –25 to +70°C, Rel. humidity 10 to 90% App support Sennheiser Transmitter Updater (PC/Mac)