Product Features: Built-in 6.5mm high-definition microphone, Supports microphone access for singing,Plug and sing. Two-in-one Bluetooth receiving (RX) and Bluetooth transmitting (TX). Built-in EQ decoding chip,Support sound effect adjustment. Support U-Disk/TF card playback, support MP3/WAV/WMA//DTS/A52/FLAC/APE etc music format. USB 5V 2.1A Dual-port fast charging, supports charging and use at the same time, charging/Bluetooth two-in-one. Supports AUX/RCA Dual Output, and can use 3.5mm AUX audio interface and 2RCA audio interface at the same time. With IR Remote Control,can control the Bluetooth mode/song selection/mode switching/volume adjustment, etc. It supports seven adjustable personalized EQ sound effects, 5-8 meters long-distance wireless control, and supports microphone reverberation/volume adjustment in microphone singing mode. Adopt Bluetooth 5.3 chip design, stronger compatibility and stability. The product connection is simple, without any cumbersome drive and APP download. Product Specifications: Bluetooth Version: Bluetooth V5.3+ Support Protocol: A2DP/AVRCP/HFP/ Working frequency band: 2400-2483.5MHz Signal-to-noise ratio: 90dB Interface: 3.5mm AUX/R L RCA/USB U-Disk/TF interface/6.5 MIC/USB 5V 2.1A Support Music Format: MP3/WAV/WMA//DTS/A52/FLAC/APE etc. Bluetooth distance: About 10-20m (open place) Product Size: 85 x 60 x 30mm Input Power Parameter: AC 100-240V, 50/60Hz, 0.5A Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on. Material: PC colour: gray+black Package Contents: 1 x H6 Multifunctional Bluetooth audio adapter 1 x RCA Audio Cable 1 x AUX Audio Cable 1 x Remote control 1 x English manual 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.