代理送既Gift, 全新, 有開盒檢查及測試, 完全正常.
因為個gift係私人醒, 正單無列, 無保, 本人提供7日私保, 保障買家.

插頭係用USB, 內置晶片及底板獨立運作,
即使底板無sound card, 無3.5mm port, 都無問題.

亦由於用USB連接,
所有音效將會以數碼方式傳送, 可以話係ZERO零雜訊,
聽MP3連底層配樂都一清二楚.

有專利DSP功能, 可突出人聲及阻隔環境噪音(MIC方面),
對於skype, whatsapp web等語音程式絕對有幫助.

------------------------------------------------------------------
網上格價約$650-$700之間

現半價出售, $350

最好荃灣/地鐵沿線

whatsapp 96407416
---------------------------------------------------------------------------

The Logitech USB Headset H650e - STEREO

The Logitech USB Headset H650e, available in stereo versions, delivers enterprise-quality audio and clever productivity-enhancing features for all-day productivity. An in-call LED lights up during a call to help prevent accidental interruptions and acoustic echo cancellation and a noise-cancelling microphone help eliminate background distractions in noisy workspaces.

Features:

• In-call LED indicator light1
• Flexible microphone boom
• Quick-access inline controller
• Optimized for Microsoft® Lync™; Cisco® compatible2;
Compatible with most leading UC platforms
• Flat no-tangle cable
• Dynamic equalizer
• Acoustic echo cancelation and noise-cancelling microphone
• Wideband audio
• Digital Signal Processing (DSP)
• Logitech Sound Protection
• Padded leatherette headband and replaceable leatherette ear pads
• Contemporary, ultra-lightweight design
• Strong TR90 nylon construction
• Cloth zipper bag included
• Plug-and-play USB connectivity

Technical Specifications

Microphone: (Tx)
• Type: Bi-directional ECM
• Frequency response: 100 Hz - 10 KHZ
• Sensitivity: -45 dB +3 dB
• Distortion: <10% @1kHz, 15dBPa (MRP) input
• Operating voltage: 1.4 - 5.0V DC

Speakers: (Rx)
• Frequency response: 50 Hz - 10 kHz (diffuse field)
• Sensitivity: 90dB +3 dB at 1KHz, Input0.56V/10mm free field
• Distortion: < 4% @ 1kHz, 0dBm0, 1kHz

System Requirements
• XP, Vista, Windows® 7,8,10 (32-bit or 64-bit)
• Mac OS® 10.7 or higher
• Linux®
• Available USB port