Features:● Can connect two Bluetooth device at the same time
● Support NFC function， easy connect
● Inner Li-battery， over length battery working time， low power consumption
● Support smart phones laptop and other devices with Bluetooth function
● Plug and play， no need to install

Specifications:
● Bluetooth specification: 4.0
● Operating distance: 10m and more
● Working time: 5 hours
● Charging time: 1.5 hours
● Power: 5V DC Package weight: 0.090 kg
Product Size(L x W x H): 5.00 x 3.50 x 1.00 cm / 1.97 x 1.38 x 0.39 inches
Package Size(L x W x H): 13.50 x 10.50 x 2.50 cm / 5.31 x 4.13 x 0.98 inches Package Contents: 1 x Receiver， 1 x 3.5mm Audio Cable， 1 x 3.5mm Audio Adapter， 1 x English User Manual