Voyo V-One Bluetooth V4.0 Earphone
Noise Cancelling, Microphone. Connectors: USB. Operating Range: 10 m. Talk and Music Time: 5 hours. Standby Time: 180 hours. Charging Time: about 1 hours. Frequency Range: 2.4GHz-2.48GHz. Bluetooth Version: 4.0, support NFC function. NFC pairing, near area pairing. Support 2 Bluetooth devices at the same time.