Brand new and high quality Support system: WIN-ALL / LINUX / MAC COMPUTER / PS4-5 / Android Frequency response: 100Hz-20Khz AURACAST/Broadcast: Support multiple devices to listen at the same time Size: 30*17.6*6.8mm (1.18*0.69*0.27inch) Wireless protocol: A2DP, HFP, AVRCP, LE Audio, AURACAST Bluetooth version: QCC 5.4 Input method: USB driver-free USB call: BT LE supported, AURACAST not supported Audio format: SBC / APTX / LL / HD / Adaptive / LE AUDIO Working frequency: 2.402GHz-2.480GHz Signal-to-noise ratio: >90dB Bluetooth distance: 10M Features: This is the latest mini Bluetooth 5.4 audio transmitter with built-in QCC3086 chip, supporting LE Audio LC3 and Auracast Broadcast Audio. Mainly helps devices without Bluetooth to activate Bluetooth playback. Broadcast mode allows multiple Auracast-enabled Bluetooth devices to connect at the same time. 1. QCC3086 chip, supports SBC, aptX, aptX-LL, aptX-HD, aptX-AD and LC3 audio codecs, Hi-Fi sound effects (Note: LDAC is not supported) 2. Bluetooth 5.4 audio transmitter, compatible with most Bluetooth devices, you can connect the adapter to PC, TV or PS4/5, and then listen to audio via Bluetooth connected headphones or speakers 3. Auracast broadcast audio, supports simultaneous connection of multiple Auracast-enabled Bluetooth devices 4. Type-C audio input, compatible with various Type-C interface transmitting devices such as TV, laptop, computer, PS4, PS5, etc. 5. Microphone is not supported when using Bluetooth transmitter or LE Audio mode, and microphone is not supported under Auracast Audio Package includes: 1 * Bluetooth 5.4 audio adapter 1 * USB to Type-C adapter 1 * User manual Note: LE Audio LC3 and Auracast Broadcast Audio are new technologies that require appropriate receiving devices to support. Currently only a few are supported