● Bluetooth V4.0 technology, compatible with most Bluetooth-enabled devices including iPhone 6S Plus, 6S, 6, 6 Plus, Samsung Galaxy S6 Edge, S6, etc..
● Powerful connection range can be up to 5 meters in open area.
● Built-in microphone for hands-free phone calls.
● With a rechargeable lithium battery which offers 4 hours of continuous playback.