Feature: 1. Built in BT version 5.0 transmitter and receiver, equipped with high-tech BT module, receiving mode supports connection between mobile devices such as phones and pads. 2. Supports aptX HD, which ensures that compatible BT devices provide high-definition (HD) audio. It will retain sound data throughout the entire audio transmission process, resulting in a \"better than CD\" listening experience. 3. No mouth type synchronization delay, supporting APTX low latency codec, almost eliminating audiovisual delay, making our product an perfect choice for watching TV/movies. For best results, please use it with headphones/speakers that support APTX low latency. 4. Type-c connection interface, compliant with European jack standards, easy to connect and use for recording/playback/live streaming. 5. High quality headphone monitoring interface for individually adjusting the desired sound. Specification: Features: Built in BT version 5.0 transmitter and receiver, equipped with high-tech BT module, receiving mode supports connection between mobile devices such as phones and pads. Supports aptX HD, which ensures that compatible BT devices provide high-definition (HD) audio. It will retain sound data throughout the entire audio transmission process, resulting in a "better than CD" listening experience. No mouth type synchronization delay, supporting APTX low latency codec, almost eliminating audiovisual delay, making our product an perfect choice for watching TV/movies. For best results, please use it with headphones/speakers that support APTX low latency. Type-c connection interface, compliant with European jack standards, easy to connect and use for recording/playback/live streaming. 3 EQ tuning tones, high, medium, and low tones, can be more finely tuned to match your device and personal preferred sound quality. High quality headphone monitoring interface for individually adjusting the desired sound. The product has a connection status/audio decoder indicator, which is easy to set up and use. Compatible with all devices with fiber optic coaxial output interfaces, such as TV, DVD, game console, stereo with RCA, 3.5mm input interface, and headphone devices. Specifications: Plug: EU / US (Optional) Material: Metal Input: 100-240VAC, 50/60Hz Output: 5V, 2A Input Interface: Toslink in, optical in, coaxial in, 3.5mm in, RCA in Output Interface: 3.5mm out Item Size: 200 * 103 * 33mm / 7.87 * 4.06 * 1.30in Item Weight: 578g / 20.38oz Package Weight: 798g / 28.16oz Package Size: 23.5 * 17.5 * 6cm / 9.25 * 6.89 * 2.36in Package List: 1 * Audio Digitizer 1 * USB Cable（3.5mm） 1 * USB-- Type-C Cable 1 * Type-C--Type-C Cable 1 * Power Cable Package List: 1 * Audio Digitizer 1 * USB Cable（3.5mm） 1 * USB-- Type-C Cable 1 * Type-C--Type-C Cable 1 * Power Cable