【BT T100】 Used item. Sennheiser BT T100 Bluetooth Transmitter Sennheiser audio transmitter, supports analog and digital connections. - Brand: Sennheiser - Connection terminals: 3.5mm analog input, digital optical input - Accessories: USB Micro-B power cable Optical cable Audio cable (new, third-party) The manual is available at the following site: https://assets.sennheiser.com/global-downloads/file/10285/BT_T100_Manual_JA.pdf Original box not included. Low latency ensures uncompromising audio transmission perfectly synchronized with on-screen action for a perfect viewing experience. Easy to use with a dedicated Bluetooth pairing button with LED light. You can choose between stereo mini (analog) or optical digital connection. Simultaneous wireless connection to up to 2 Bluetooth headphones or earphones is possible. (aptX LL is not supported when connecting simultaneously.) Codec support: SBC, aptX, aptX-LL (AAC not supported) Frequency response: 20 Hz ~ 20 KHz Thank you for viewing.