Usage Tips:Exquisite round design with perfect process, mini body, smaller and lighter Multi-point design, one transmitter could connect with two Bluetooth devices at the same time, eg. one BT speaker and BT headsets. stereo transmission makes sure you can enjoy the auditory feast. How to use it ? 1. Use AUX Cable connect transmitter and TV or Computer or DVD or others device, then open the transmitter (press the button about 3-4 seconds). 2. Open the bluetooth headset, must under ready to pairing. 3. The transmitter will auto connect your bluetooth headset or bluetooth speaker, then the TV or Computer or DVD sound will into your bluetooth headset or bluetooth speaker, done ! Introduction: 366T is designed to transmit audio signal of TV, DVD, MP3 etc to Bluetooth earphones or speakers by the Bluetooth wireless technology. To help customers to realize higher quality wireless household lives, easy operation, connect the product with audio players by a audio cable, without set up after the device turn on. Specifications: Product Name: Multi-point Bluetooth Transmitter Model: V-366T Bluetooth version:5.0 Work Range: 10m (barrier-free) Battery duration:5 hours Charging period:1.5 hours Product size: 45mm x 11mm Weight: 15g Colour: black Material: plastic Package Contents: 1 x Bluetooth Audio Transmitter Please note, friend: This is bluetooth Audio transmitter (not bluetooth music receiver ), it is not used to connect cellphone, this transmitter is used to connect the bluetooth headset or bluetooth speaker. 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.