•Bluetooth-compatible 5.0,signal transfer is faster,stable and in higher quality •3 in 1 Bluetooth-compatible adapter with Bluetooth-compatible receive and Bluetooth-compatible transmit function •Compatible with Android/iOS phone system and all Bluetooth-compatible audio devices for TV,speaker,PC,etc. Note: •No driver is required when used on the computer. •If the prompt "Unable to recognize device" when transferring audio on the computer,it means that the USB port is not inserted correctly. •When using USB data cable to transfer audio from computer,there is no need to use 3.5mm audio cable. •When transferring audio on a computer using a USB data cable,the volume of the computer system cannot be adjusted,only the volume of the playback software (music player,video player) or Bluetooth-compatible speaker (Bluetooth-compatible headset) can be adjusted. •This device does not support voice call or voice assistant function. Specification: •Bluetooth-compatible version: Bluetooth-compatible V5.0+EDR •Bluetooth-compatible profile: AVRCP (receiver mode only),A2DP •Input: 5V 1A •Battery capacity: 300mAh •Charging port: Micro USB •Receiver mode playback time: 10 hours •Transmitter mode playback time: 7 hours •Charging time: 1 hour •Working distance: 10-15m Package included: •1 x 3 in 1 Bluetooth-compatible Audio Receiver Transmitter Adapter ZF-360 •1 x 3.5mm Audio Cable •1 x USB Charging Cable •1 x English User Manual •Other items not included