Bluedio EH Bluetooth stereo headset/In-Ear earphones Bluetooth 4.0 NFC Wireless headset music streaming World First Release 2014 Retail Gift Packaging (Noble Silver) 1.Acme technology, high quality music experience Bluedio EH Bluetooth headset uses the latest 4.0 Bluetooth chip 2.Various Bluetooth EQ modes switch and various rock music enjoy 3.Ready connect to Near-Field communication(NFC) 4.The perfect display of Bluetooth 4.0 Ultra low energy technology 300hrs standby time about 5hrs music playtime 5.Multi-pairing and language switching function