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- Noise-canceling microphone filters out ambient noise and interference- 150-6800Hz wideband audio processing guarantees natural sound communication- Memory steel headband allows you to adjust it tighter or looser for the fit of your head- Robust design and high quality materials withstand intensive daily use- Over 25 rigorous intense tests guarantee reliability and durability- Flexible uni-body boom design ensures durability and precise positioning of the microphone - Ultra-lightweight design and soft foam ear cushions for all-day comfort- Easy deployment in different platforms such as desk phones and soft phones via a variety of Quick-Disconnect cords- Maximum volume control protects the hearing under intensive usage- Only environmental-friendly materials are used- Addasound no longer including clothing clip 8/15/22

- QD (Quick Disconnect) to RJ9 direct connect cable- The cable connects ADDASOUND QD series headset to Yealink Snom Grandstream with RJ9 port

- Foam ear cushions for ADDASOUND Crystal 2701/2702 2801/2802 2821/2822 SR2701/SR2702 SR2801/SR2802 SR2821/SR2822 headsets

- QD (Quick Disconnect) to USB cable- The cable is used to connect ADDASOUND QD series headset to PC with USB port- Plug-and-play for easy set-up- Convenient call controls including mute volume+ and volume -- Compatible with Microsoft� Windows 10 Windows 8 Windows 7 Vista� XP 2000 and Mac� OS X etc.- Compatible with most softphones

- Noise-canceling microphone filters out the background noise from being picked up- Wideband audio processing guarantees natural sound communication - Stereo sound quality for binaural headset (Crystal SR2732)- Memory steel headband allows you to adjust it tighter or looser for the fit of your head- Robust design and high quality materials withstand intensive daily use- Over 25 rigorous reliable tests make sure the reliability and durability- Flexible uni-body boom design ensures durability and precise positioning of the microphone- Ultra-lightweight design and soft foam ear cushions for all-day comfort- Plug-and-Play and easy to manage the call with mute volume+ and volume-- Compatible with Microsoft� Windows 10 Windows 8 Windows 7 Vista� Windows XP Windows 2000 and Mac� OS X etc- Addasound no longer including clothing clip 8/15/22

- Noise-canceling microphone filters out the background noise from being picked up- Wideband audio processing guarantees natural sound communication- Memory steel headband allows you to adjust it tighter or looser for the fit of your head- Robust design and high quality materials withstand intensive daily use- Over 25 rigorous reliable tests make sure the reliability and durability- Flexible uni-body boom design ensures precise positioning of the microphone and unbreakable daily use- Ultra-lightweight design and soft foam ear cushions for all-day comfort- Plug-and-Play and no driver needed- Compatible with Microsoft� Windows 10 Windows 8 Windows 7 Vista� Windows XP Windows 2000 and Mac� OS X etc- Addasound no longer including clothing clip 8/15/22

Superior noise canceling mirophone eliminates background noise and enhances the voiceNeodymium magnet speaker provides crystal-clear and powerful sound performanceThe slim and extremely robust 300� rotatable and bendable boom with one piece design for unbreakable daily use and precise positioning of the microphoneMetal joints made of aerospace aluminum alloy for better connection and durabilityEasy deployment in different platforms such as desk phones and computers via a variety of Quick-Disconnect cordsUltra-lightweight design and soft protein leatherette ear cushions for all-day comfortADDASOUND's headsets follow the International Noise Safety Standards and help create a safe and comfortable work environment

- Superior noise canceling technology eliminates the background noise for information security and customer satisfaction- Neodymium magnet speaker provides crystal-clear and powerful sound performance- Stylish but robust structural design provides reliable daily usage- Reinforced metal joints for better connection and durability- Flexible uni-body boom design ensures precise positioning of the microphone and unbreakable daily use- Wideband audio processing guarantees natural sound communication- Stereo sound quality for binaural headset- Ultra-lightweight design and soft foam ear cushions for all-day comfort- Plug-and-Play and easy to manage the call with mute volume+ and volume-- Compatible with Microsoft� Windows 10 Windows 8 Windows 7 Vista� Windows XP Windows 2000 and Mac� OS X etc- Addasound no longer including clothing clip 8/15/22

- Directional noise canceling microphone blocks the unwanted background noise to transmit the clear and natural sound- Lightweight memory steel headband rotatable ear cap and flat foam ear cushions for a comfortable fit- Robust design and high quality materials withstand intensive daily use- Plug and play easy to set up and fast to deploy - Convenient call management including call answer/end mute volume+ and volume- - Busy light indication shows the working status and prevents unnecessary interruptions- DSP (Digital Signal Processing) for clear voice communications even in a noisy environment- Stereo sound for binaural headset (Epic 302) ideal for calls music and multimedia - Compatible with most leading UC platforms - ADDASOUND's headsets follow the International Noise Safety Standards and help create a safe and comfortable work environment- *** Call Anwer/end and busy light only work on Skype for Business"

- Superior noise canceling technology eliminates the background noise for information security and customer satisfaction- Neodymium magnet speaker provides crystal-clear and powerful sound performance- Stylish but robust structural design provides reliable daily usage- Reinforced metal joints for better connection and durability- Flexible uni-body boom design ensures precise positioning of the microphone and unbreakable daily use- Wideband audio processing guarantees natural sound communication- Ultra-lightweight design and soft foam ear cushions for all-day comfort- Plug-and-Play and easy to manage the call with mute volume+ and volume-- Compatible with Microsoft� Windows 10 Windows 8 Windows 7 Vista� Windows XP Windows 2000 and Mac� OS X etc- Addasound no longer including clothing clip 8/15/22