Features:  Ultra Low Latency -- High-fidelity Stereo Sound, lag-free content streaming in transmitter mode. Low latency supported wireless receiver is required.Be sure to no delay.  2 in 1 Transmitter & Receiver -- One protable adapter with two function,including TX and RX mode.In Transmitter mode, turn a non-Bluetooth TV, PC, CD player, iPod, MP3 / MP4 into wireless transmitter. Receiver mode: Ideal for home or vehicle music streaming sound system.Note:The transmitter and receiver modes cannot work simultaneously.  Dual Connections -- This adapter supports to connect two wireless devices at once in both modes.Ideal for home or vehicle audio systems and wired headphones,etc.  Good Performance -- Built with 500mAh rechargeable battery, this device can be used up to 10 hours after fully charged for 2 hours. Supports charging and streaming simultaneously. Note: You need to reset the adapter to enjoy play while charging.  Wireless and Smart Life -- This is a multi-functional wireless music device,just connect to your TV with 3.5mm audio cable/3.5mm audio adapter/RCA cables,and paired with your wireless headsets.    Specification:  Wireless Version: V4.1 supports A2DP,AVRCP.  Wireless transmission range: up to 10 meters(33 feet).  Working Time: more than 10 hours.  Battery Capacity: 450mAh.  Charing Voltage: DC 5.0V.  Charing Time:About 2 hours.  Compatibility:All Wireless enabled smart phones and tablet PCs.    Note:   1.Please charge before using the product in order to have a better use of experience.  2.When the device is paired for the second time, the playing music on the first. Wireless device may stop, which is normal. After the completion of the pairing, the sound will be in fluency.    Package List:  1 * Wireless transmitter and receiver,  1 * USB Micro charging cable,  1 * 3.5MM audio cable,  1 * 3.5MM to RCA audio cable,  1 * User Manual