Siig CE-WR0112-S1. Wireless receiver interface: USB, Wireless technology: RF, Frequency band: 2.4 GHz. Product color: Black, Presenter functions: Laser pointer, Remote control, Certification: FCC, CE. Battery type: AAA. Windows operating systems supported: Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 8, Windows 8 x64, Windows Vista Home..., Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS.... Width: 1.26" (32 mm), Depth: 1.1" (28 mm), Height: 5.2" (132 mm)
StarTech.com ICUSBAUDIO2D. Audio output channels: 5.1 channels, Audio quality: 24 bit, Line-out Signal-to-Noise Ratio (SNR): 91 dB. Host interface: USB. Cable length: 16" (0.406 m), Chipset: C-Media CM6533, Product color: Black. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion. Weight: 1.16 oz (33 g), Width: 1.81" (46 mm), Depth: 1.85" (47 mm)