Please note, friend: Because some clients misunderstand, here we have some explain, 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. How to use it ? 1. Use AUX Cable connect transmitter and TV or Computer or DVD or others device, then open the transmitter (pre 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: VAORLO-366T is designed to transmit audio signal of TV, DVD, MP3 etc to Bluetooth earphones or speakers by the Bluetooth wirele technology. To help customers to realize higher quality wirele household lives, easy operation, connect the product with audio players by a audio cable, without set up after the device turn on. Features: Exquisite round design with perfect proce, mini body, smaller and lighterMulti-point design, one transmitter could connect with two Bluetooth devices at the same time, eg. one BT speaker and BT headsets.High quality stereo transmiion makes sure you can enjoy the auditory feast. Specifications:Product Name: Multi-point Bluetooth TransmitterModel: V-366TBluetooth version:5.0Work Range: 10m (barrier-free)Battery duration:5 hoursCharging period:1.5 hoursProduct size: 45mm*11mm Color: blackWeight: 15gPackage included:1 X Bluetooth Transmitter1 X Charging cable1 X Audio cable1 X User Manual