QCC3086 chip,support ,,-LL,-HD,-AD and LC3 audio codec,bring Hifi sound(Note:not support LDAC) Bluetooth 5.4 audio transmitter, compatible with most Bluetooth devices,you can insert the adapter to PC, TV or your for /5, then Bluetooth connect the headphones or speaker to listen audio Auracast broadcast audio, Support connect multiple auracast-enabled Bluetooth devices at the same time Type-c audio input,ompatible with transmitter devices with Type-c interface,like the TV,Notebook,Computer, for , for Support Mic when use the Bluetooth transmitter or LE Audio mode,not support mic under Auracast audio Bluetooth version: 5.4 Wireless protocol: A2DP, HFP, AVRCP, LE Audio, AURACAST Operating frequency: 2.402GHz-2.480GHz Frequency response: 100Hz-20Khz Bluetooth distance: 10M AURACAST/Broadcast: Supports simultaneous listening on multiple devices Signal to Noise Ratio: 90dB Input mode: USB driver free Audio format: / / LL / HD / Adaptive / LE AUDIO Usb call: Supported under BT LE, Not supported under AURACAST Support system: for WIN-ALL / LINUX / for COMPUTER / for -5 (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * LE Audio Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.