Communication: Wireless

Support Memory Card: No

Vocalism Principle: Dynamic

Frequency Response Range: 20-20000Hz

Is wireless: No

Plug Type: USB

Style: Neckband

Connectors: USB

Wireless Type: Bluetooth

with microphone: Yes

style: Ear hook

operation range: 10m

spport memory card: Yes

stereo headset: Yes

talking time: 2-3 hours

charging time: 1-2 hours

built-in microphone: Yes

standby time: 250 hours

bluetooth version: V3.0+EDR

1.Multipoint Support: 2 connecttions simultaneously.

2.Touch-button call answer /end ,redail,volume control and voice dailing.