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Cooler Master CH351 gaming headphones (black)The Cooler Master CH351 gaming headphones are designed for gamers who use multiple platforms and need flexible, reliable audio equipment. This model offers up to three connection modes: low-latency 2.4GHz wireless, Bluetooth 5.4 and a classic 3.5mm connector. This makes it great for your computer, console, smartphone or laptop! The headphones also provide great sound quality thanks to 50-millimeter drivers, and have a runtime of about 30 hours.Three connection optionsYou can connect the headphones in three ways: via Bluetooth, in the 2.4 GHz band and wired with a 3.5 mm cable. In 2.4 GHz mode, the signal range is up to 20 meters, and the transmission delay is less than 20 ms, allowing you to play comfortably without problems with audio and video synchronization. It is also possible to connect to three devices simultaneously. Conveniently play on your console, take calls from your phone and listen to music from your computer! Switching of sources is very fast - you won't miss anything!Realistic surround sound and full immersionIn wireless mode, the headphones offer 3D Surround Sound technology, which provides a more realistic representation of space - this is especially useful in FPS games, where directional sounds (footsteps, gunshots) are very important. The built-in 50mm drivers are responsible for fantastic audio quality, allowing you to enjoy rich detail and crisp bass.Powerful batteryThe integrated battery provides about 30 hours of operation at 50% volume. So you can freely play your favorite games, watch movies or take part in video conferences - without worrying that the equipment will drain too quickly. The headphones are charged via a USB-C port.Detachable microphone with sidetone modeThe headphones are equipped with a detachable unidirectional microphone, set on an adjustable boom. So you can position it to be comfortable, or completely detach it when you don't need it! There's also a sidetone function (in wireless modes) that lets you monitor your voice in real time, making it easy to control the volume of your speech.Comfort and durabilityThe design of the headphones is based on a padded headband with a steel core. The ear cups, on the other hand, are made of PU leather-covered memory foam, which improves noise isolation and ensures comfort even during long sessions. The ergonomic Y-Frame design fits snugly to the head and does not cause excessive pressure. In addition, components such as the microphone, pads and cable are detachable for easy transport and maintenance. Manufacturer Cooler Master Model CH-351 Color Black Transducer diameter 50 mm Frequency response 20 - 20 000 Hz Impedance 32 Ω Sensitivity (@1kHz) 100 dB ± 3 dB Max. input power 30 mW Cable length Approx. 1.8 m Connection Bluetooth 5.4, 2.4 GHz, 3.5 mm Headband material Steel, plastic, PU foam and leather cushion Ear cup material Memory foam + PU leather Sidetone mode Yes Delay < 20 ms (2.4 GHz) Operating time Approx. 30 hours (at 50% volume) Charging port USB-C Wireless range Up to 20 m (2.4 GHz) Microphone directionality Unidirectional Microphone frequency response 100 - 8,000 Hz Microphone sensitivity -42 dB ± 3 dB Microphone type Detachable, flexible Headphone dimensions 179.4 × 96.3 × 207 mm Weight (without accessories) Approximately 328 g Total weight Approx. 403 g