Features:● Support smart phones laptop and other devices with Bluetooth function
● Can be connected with speaker by audio cable
● Transmission rate: 3Mbps
● Portable design， easy to carry
● Plug and play， no need to install

Specifications:
● Bluetooth specification: 2.1
● Operating distance: 10m and more
● Power: 5V DC Bluetooth Standard: Bluetooth V2.1 Package weight: 0.051 kg
Product Size(L x W x H): 5.50 x 2.00 x 1.00 cm / 2.17 x 0.79 x 0.39 inches
Package Size(L x W x H): 13.00 x 9.50 x 2.50 cm / 5.12 x 3.74 x 0.98 inches Package Contents: 1 x Bluetooth Music Receiver， 1 x 3.5mm Audio Cable