





3 omnidirectional microphones, 3 wireless adapters, 3 USB cables, 3 power cables, 3 user manuals, 3 certificates of conformity, 3 warranty cards
| Item | Detail |
|---|---|
| Power On | Long press the power button for 2 seconds, reconnecting: slow breathing flash; Standby: blue light is always on |
| Power Off | Long press the power button for 2 seconds, breathing light goes out |
| Microphone Mute | Single touch, red light is always on |
| Speaker Mute | Single touch, blue light flashes at 2-second intervals |
| Standby Status | Dongle green indicator light breathes and flashes |
| Dongle Pairing | Long press for 5 seconds, successful pairing results in constant green light on Dongle |

Y500 Single Ear-RJ9 Crystal Head
CNÂ¥59.00

[Foldable with Base] Ev2 65MS Flex
CNÂ¥2,771.00
1. Power on all devices
2. Long press the pairing button for 3 seconds until the blue light flashes
3. Connect any receiver to the computer, long press for 5 seconds until the green light flashes
4. Automatic pairing successful, constant green light on Dongle
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U800 (Fixed-Line Connection)
CNÂ¥429.00
![Logitech H340 [Enterprise-Grade] Over-Ear Stereo USB Headset for Computer, Laptop, Office And Study with Microphone, Black [Order Bonus]](https://img30.360buyimg.com/sku/jfs/t1/93285/9/48998/59791/66acf8c4Fa96af5dd/168c8cb183486b5a.png)
[H340] Black
CNÂ¥109.00