Features: brand new and high quality Bluetooth-compatible music transmitter is to send audio signals of TV, DVD, MP3 and other playback devices to Bluetooth-compatible receiver, Bluetooth-compatible headset or Bluetooth-compatible speaker via Bluetooth-compatible, so as to realize wireless home life. The effect of using our Bluetooth-compatible music receiver is better. We can set a dedicated pairing password to achieve purposeful dedicated connection. The operation is simple, just connect the product with the audio cable to the playback device, turn on the switch, and no need to set up, the product can automatically connect with the receiving device. High quality stereo transmission makes sure you can enjoy the auditory feast. Exquisite round design with perfect process, mini body, smaller and lighter. Multi-point design, one transmitter could connect with two Bluetooth-compatible devices at the same for time, eg. one BT speaker and BT headsets. Specifications: Model Name: Bluetooth-compatible Transmitter Buetooth-compatible Version: 4.0 Connect Devices Number: 2 Effective Distance: Not Less Than 10 Meters Continuous Working Time: 5 Hours Charging Time: 1.5 Hours Product Size: 45mmx11mm/1.77x0.43in Package Includes: 1 x Transmitter 1 x manual note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.