Dongle + Adapter: 15.5 x 33 x 7.8 mm Operating Systems: Windows 8.1 or later, macOS 11 or later App Support: Sennheiser Transmitter Updater (PC/Mac) Pricing and Availability The introductory prices are as follows: ACCENTUM Wireless SE (bundled with the BTD 600): Rs. 11,990 BTD 600 Dongl...