Ugreen Wireless Bluetooth 4.1 Music Audio Receiver Adapter with Mic is designed to receive music from PC, iPhone, iPad, tablets or MP3 player to your car stereos, home stereos,speakers or Entertainment Systems with 3.5mm Stereo Output, which offers a new way to stream music. It converts your normal speaker into a wireless bluetooth speaker.

Bluetooth name: Ugreen-Bluetooth
Bluetooth Version: 4.1
3.5mm stereo audio output
Supports hands-free calling
Talking time: up to 4 hours
Multi-function bottom
Frequency Response: 22HZ-5KHZ
Power Output: 800-900MV
SNR>98DB
Battery capacity: 3.7V/120mA
Operation time: up to 4 hours
Operating distance: Up to 10m
Micro USB for power
Charging time: 1.5 hours
Dimension: L50mm x W40mm x H14.3mm