Sennheiser BT T100

Sennheiser BT T100, Bluetooth Audio Transmitter, Bluetooth 4.2, Qualcomm aptX Low Latency, Supported profiles A2DP, Supported codecs SBC, aptX, aptX LL (supports aptX LL only when only one headphone is connected, which is also equipped with apX Low Latency), Frequency range: 20 - 20,000 Hz, Number of channels: 79, Transmission frequency: 2402 to 2480 MHz, Switchable between two sound sources, Bluetooth pairing button on transmitter, Two-colour LED status indicator (blue and red), 3.5 mm jack connection and optical input, Weight: 85 g, Includes 1.5 m audio cable with 3.5 mm jack plug, 1.5 m optical cable and 1.2 m USB-A to USB Micro-B charging cable