(Note - the speaker is open box, its box is only open, but with all its accessories and it works 100%, so its price is cheaper than the market price) A50 WIRELESS HEADSET PRIMARY SPECIFICATIONS Microphone: 6.0mm uni-directional, voice isolating Ear Coupling: Over-Ear Drivers: 40mm Neodymium Magnet Wireless range: 49 ft Standby Battery Life: ~ 20 months Wireless Frequency: 2.4GHz Battery Type - Lithium Polymer, single cell PHYSICAL SPECIFICATIONS Weight w/o Cable: 0.83 lbs (380g) Length: 7.28 in(18.5 cm) Width: 3.48 in(8.84 cm) Height: 7.17 in(18.22 cm) TECHNICAL SPECIFICATIONS Transducer Principle: Open Air Frequency Response: 20Hz - 20,000Hz Characteristic SPL: 118dB @1kHz REQUIREMENTS Windows 10 Windows 8.1 Windows 8 Windows 7 Mac CALIFORNIA WARNINGS WARNING: Proposition 65 Warning Read more on Prop 65 Base Station BASE STATION PRIMARY SPECIFICATIONS Power Supply: USB Micro-B (USB 2.0 compatible) Wireless range: 49 ft Inputs and Outputs: Optical Pass-through, USB Power & Soundcard, USB Charging Port, AUX In / Mic out (TRRS 3.5mm) PHYSICAL SPECIFICATIONS Weight w/o Cable: .70 lbs (317 g) Dimensions: 21.59 cm/10.79 cm/2.92 cm TECHNICAL SPECIFICATIONS Output: 5.0V, 180mA REQUIREMENTS Windows 10 Windows 8.1 Windows 8 Windows 7 Mac Product details Experience the legendary performance and sound of ASTRO Audio V2, with the convenience and freedom of wireless. The A50 Wireless + Base Station for Xbox/PC delivers the premium acoustics (free 2-year Dolby® Atmos activation code), ergonomics, comfort, and durability that gamers demand, as well as absolute audio immersion. The all-new Base Station provides clear, low-latency voice communication, while the ASTRO Command Centre software allows pros and live streamers to tune every input and output parameter of the A50 precisely. For even more flexibility, the optional A50 Mod Kit allows users to add a synthetic leather headband and ear cushions for improved noise isolation. DETAILS Experience legendary sound and performance without the inconvenience and restrictions that come with wires. The A50 Wireless Headset for PS4, PC, and Mac delivers top-of-the-line acoustics, ergonomics, and durability that professional gamers demand with the revolutionary, iconic ASTRO Gaming design. Experience Absolute Immersion with the A50 Wireless + Base Station. ASTRO COMMAND CENTER SOFTWARE The free customization software allows pros and live streamers to tune every input and output of their headset to precisely configure it for their specific setup. TUNED WITH ASTRO AUDIO V2 Tuned for Gaming, ASTRO Audio V2 delivers pro quality audio for gamers when they need it most, whether live streaming from their living room to competitive play in the pits of a tournament. DOLBY AUDIO Dolby Audio delivers cinematic, 3D gaming audio experience, and broadcasts Dolby out to streaming audiences. FLIP-TO-MUTE MICROPHONE Unidirectional mic and flip-to-mute functionality for clear, accurate communication. USB SOUND CARD FUNCTIONALITY USB sound card functionality with Game:Voice Balancing, game and voice streaming delivered to more gamers. No Optical needed. ASTRO COMMAND CENTER SOFTWARE Redefine pro audio for gamers. The free ACC software gives players enhanced control over their voice communication and audio settings. When paired with the software, the A50 Wireless Headset delivers pro quality audio, wirelessly. MOD KIT READY Features synthetic leather noise-cancelling ear cushions, and a padded headband. BUILT-IN MIXAMP Low-latency voice communication, with Dolby Audio and optimized chat levels and game sounds with the built-in MixAmp technology. 3D AUDIO READY Can deliver Windows Sonic or Dolby Atmos on PC. Spatial audio gives you full 3D positional audio support for an unprecedented competitive edge. RECHARGEABLE LITHIUM ION BATTERY Rechargeable Lithium Ion battery holds 15+ hours of life.