CAMWAY HiFi Headphone Amplifier Rechargeable with Battery, Enhanced Earphone Volume Amp for 16-300Ω Headphone 3.5mm Jack,Two-Stage Gain Switch, Aluminum Alloy,No Noise,Portable

["【Professional HiFi Headphone Volume Amplifier】 This mini headphone AMP power for 16-300Ω wired headphone with 3.5mm Jack, perfect for music lovers/artist, audio professional,gamers, and outdoor activities, studio,podcast ,DJ mixing-enjoy crisp, immersive stereo sound anywhere","【Clear, Realistic Stereo】 More authentic stereo sound, effectively filters out background noise, with SNR ≥120dB and THD+N 0.005%, hear music the way it was meant to be heard, every detail stands out, to feel the music, not the noise","【3.5mm Input/Output & Compatibility】Connect your phones, MP3/MP4 players, laptops, CD players or PCs and output to 16-300Ω headphones or speakers, 3.5mm headphone amplifier for PC, gaming, and travel listening","【Rechargeable 1500 mAh Battery, Long-Lasting】Type-C charging adds convenience, and the rechargeable headphone amplifier with 1500 mAh long-lasting battery capacity, making it easier for you to work, listen to music, watch TV, chat, and play games","【Two-stage Gain & Volume Control】 Two-stage gain switch and volume knob enhance signal input and tone,compact, durable and portable ,lightweight aluminum body reduces interference and adds durability, portable hifi headphone amplifier,sound amplifier to listen to phone,more convenient to use"]