Features:● Support phone / tablet / PC of Android system, iOS system, and all Bluetooth audio devices etc.
● Support hands-free call, help you out of trouble
● Transmission rate: 100Mbps, wonderful using experience
● Support stereo codec, AUX output
● Plug and play, no need to install

Specifications:
● Bluetooth specification: 3.0
● Support Bluetooth Protocols: AVRCP, A2DP 1.3, HFP, HFP1.6, HSP1.2, SPPV1.2
● Operating distance: 20m and less
● Working time: 8 hours
● Power by 5V DC Bluetooth Standard: Bluetooth V3.0 Package weight: 0.071 kg
Product Size(L x W x H): 5.50 x 2.50 x 1.10 cm / 2.17 x 0.98 x 0.43 inches
Package Size(L x W x H): 11.20 x 2.70 x 16.50 cm / 4.41 x 1.06 x 6.5 inches Package Contents: 1 x Bluetooth Receiver, 1 x 3.5mm Audio Connector, 1 x USB Cable, 1 x Bilingual User Manual in English and Chinese