Features:● Support all devices with 3.5mm jack ports?
● One-button switch to switch between transmitter and receiver mode
● Built-in battery， fast-charging
● Plug and play， no need to install

Operation mode:
● Bluetooth Transmitter ( TX ) : Add wireless function to your TV， PC， MP3 player， DVD player to enjoy wireless music and sounds.
● Bluetooth Receiver ( RX) : Turn any speakers， headphones， stereo system to Bluetooth enabled.

Specification:
● Bluetooth specification: V3.0
● Bluetooth profiles: A2DP and AVRCP
● Operating distance: 10m and more
● Working time: TX mode， up to 8 hours; RX mode， up to 6 hours
● Charging time: About 2 hours Package weight: 0.091 kg
Product Size(L x W x H): 5.00 x 3.00 x 1.00 cm / 1.97 x 1.18 x 0.39 inches
Package Size(L x W x H): 13.00 x 7.00 x 5.00 cm / 5.12 x 2.76 x 1.97 inches Package Contents: 1 x Transmitter Receiver， 1 x USB Cable， 1 x 3.5mm Audio Cable， 1 x English User Manual