It has got powerful wireless audio streaming capabilities. Slip this & receiver into your backpack or laptop bag and take it without the slightest effort TX mode: TX mode will automatically search for other receiving devices (such as headset, speaker, receiver, etc.), the red light flashes during pairing, and the red light stops flashing after pairing succeeds. Connect the product to a device such as a TV with a 3.5 audio / audio Click once to get the receiver function; consecutively, it is the function Size:32mmx17mmx8.5mm Receiver mode:Blue light is on 1x 3.5mm Aux mode: wireless streams audio from your non- TV, home stereo system, or player to your headphones or speakers Operation Range:Up to 10m / 33ft (without any blocking objects) Material:ABS mode: Pairing name: KN320, find KN320 in the settings of the phone to pair. The blue light flashes during the pairing process, and the blue light stops flashing after the pairing is successful. Connect the product to the audio device with a 3.5 audio Broad Compatibility: With the included 3.5mm , this Receiver adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, player, etc. Interface:AUX Working Frequency:2.4 MHz mode:Red light is on Transmission rate:100 Mbps If the device has just switched mode, you want to immediately to another mode, you need to re- once. Technologies: BT5.0, A2DP, AVRCP (receiver mode only) This extremely portable, lightweight wireless audio & receiver is an ideal wireless audio solution for a wide range of situations and uses Receiver mode： wirelessly streams audio from your - phone, tablet, or computer to your wired stereo, speakers, or headphones Type:USB Transmitters 1x 5.0 Audio /Receiver Adapter version:5.0 Color:As the picture Package Includes： Pairing method If the device has been in a mode for a long time, it needs to be re-energized to to another mode. 1x User Manual compatible with Usb Adapter Jack Adapter Cable Splitter Aux to compatible with Usb to Headphone Jack Adapter Usb C Headphone Can-c 1/4 Headphone Adapter Note 10 Pro Usb Type C Headphones Cable Adapter Adaptador Para compatible with It Has Got Powerful Wireless Audio Streaming Capabilities. Slip This & Receiver Into Your Backpack Or Laptop Bag And Take It Without The Slightest Effort Headphone Converter to compatible with Trrs to Trs Adapter compatible with Headset Adapter Phones tooth Headphone Adapter C Type Adapter Y Splitter Audio Cable Usb Audio Adapter Headphone Jack Adapter Usb C Usb C to Aux Type C to Aux Adapter Usb A40 Headset Yes You Can compatible with to Aux Adapter Technologies: BT5.0, A2DP, AVRCP (receiver Mode Only) Aux Cord compatible with 11 compatible with 13 Adapter Usb-c Aux Adapter Can-c Audio Splitter for Headphones Galaxy S20 plus Usb C Adaptor Headphones Splitter Aux Splitter Usb C Adapters Usb C Headphone Adapter with Charging compatible with Headphone Adapter Lighting to Headphones Adapter Aux Adapter Headphone Cable Mode:Red Light Is On compatible with Connector compatible with Adapter Charger And Headphone Headphone Adapters Type C Headphone Usb-a to Usb-c Adapter Phone Adapter compatible with Aux Cord Adapter compatible with Type C to Usb compatible with Aux Cord Cable Adapter compatible with Connector to Aux Now And Laters compatible with Adapter Usb C Connector Adaptor for Earphones compatible with 1x User Manual Adaptor Headphone Adapter compatible with Can C Usb Type C Headphones C Charger Adapters compatible with Pro Charger Type C Aux Adapter Computer Cable Adapters Galaxy S22 Headphone Adapter Audio Cord Usb C Aux Aux Cord compatible with Aux Cord Adapter Headphone Jack to Usb Aux Cable for Car Pairing Method Usb C to Headphone Jack Usb C Adapter to Usb Adaptador Usb Mic And Headphone Splitter Aux compatible with Belly Headphones for Pregnant Women Usb-c to Usb-c Aux Cord compatible with 12 Headphone And Charger Adapter compatible with Usb C to Headphone Adapter Trs to Trrs compatible with Cassette Adapter Aux Adapter for Car compatible with Pro Headphone Adapter Type C Adapter