LED Screen Wirele Audo Bluetooth-compatible 5.0 Transmitter Receiver for PC TV Bluetooth-compatible Adapter Auto 3.5mm AUX Music receiverOOTDTYFeatures:1.Multi-function Bluetooth-compatible transmitter&receiverIn TX Mode: Transfer your music from a TV, player, Ipod, laptop to a Bluetooth-compatible headset or stereo (You can connect two devices at the same time); In RX Mode: will transfer the music in your mobile phone or computer to the audo, so that you can enjoy HIFI freely The sound quality. Bypa mode: cable connection between TV and Speaker, you no longer need to plug/unplug any wires,easily switch it to other two mode.2.262FT Ultra Long Range Utilizing the latest Bluetooth-compatible 5.0 technology and dual antennas design, Our Bluetooth-compatible transmitter / receiver can achieve a range of up to 262ft(80m) line-of-sight in open air and up to 80-110ft(25-35m) indoors, which ensures a stable connection without losing signal wherever you go in your big house. *Note:Operation range can be affected by Wi-Fi routers, wirele TV adapters and also depends on the receiving devices.3.The Ultimate Listening Experience Support low latency, virtually eliminating visual and auditory delays, you can simultaneously steam audo to 2 Bluetooth-compatible headsets, making VIKEFON BT-B15 Bluetooth-compatible headphones become the best choice for watching TV and movies.Note:In order to achieve this low latency, your receiving setup must support low latency.4.USB Rechargeable It has built-in 500mAh battery, this is a UNIQUE feature compared to similar products, you can use it in any situations even there is no AC outlets. It can be fully charged in 2.5 hours but allows for more than 8 hours in TX mode & 10 hours in RX mode of solid use, which is ideal for listening all day or on a long road trip, also you can use it while charging. *Note:This product will automatically enter the dormant and power-saving mode after 6 minutes without connection.5.Easy Set Up, Easy Use Supports remember your setting after power failure. Supports AUX / 2 RCA audo output standards making it compatible with 99% of the TVs on the market(NOTED:Don't support Digital OPTICAL),If you need support Digital OPTICAL,please select our BT-B21 or BT-B22 etc.Setup is a snap simply connect your transmitter/receiver to an outlet and your audo system, pair it to a phone or tablet and enjoy the music.Specifications:Bluetooth-compatible version: 5.0;Function: Bluetooth-compatible audo receiving and transmitting combo;Built-in noise reduction HIFI sound quality;Transmiion signal distance: 15m;Fully compatible with automatic matching;Built-in lithium battery: 300maWorking time: 8HInput interface: 3.5mm;Input voltage: DC/5V;Package included:1 x Wirele Adapter1 x USB charging cable1 x 3.5MM audo cable1 x Manual