CTHCJ Audio Regulator - 3.5mm Jack Dual-stage gain

b>Specifications: There is no doubt that a volume control knob for volume adjustment allows for clearer, more realistic stereo output without distortion. For optimal headphone performance, a two-stage gain switch boosts the amplifier's input signal. Dual-stage gain switch boosts the amplifier's input signal for optimal headphone performance Volume control knob for volume adjustment for clearer, more realistic stereo output without distortion For optimal headphone performance, a two-stage gain switch boosts the amplifier's input signal. Volume control knob for volume adjustment for clearer, more realistic stereo output without distortion Features: This portable headphone amplifier is designed to let you enjoy music anytime, anywhere; the smooth, sturdy shell and chassis can achieve long-lasting use. You can connect to your mobile phone or tablet vias Bluetooth-compatible and deliver the sound source to your wired headphones or even speakers compatible with ease of use. With the smooth, sturdy shell and chassis can achieve long-lasting use. You can connect to your mobile phone or tablet vias Bluetooth-compatible and deliver the sound source to your wired headphones or even speakers compatible with ease of use. This portable headphone amplifier is designed to let you enjoy music anytime, anywhere Compatible with various digital devices, such as MP3, MP4, compatible with iPhone, compatible with iPod, compatible with iPad, computers, CD-players and personal media players, compatible with PS4, for PS5 controllers, etc. LxWxH: 9.5cm x 5.2cm x 1.3cm/3.74 x 2.05 x 0.51(Approx.) notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headphone Amplifier 1 x Audio Cable 1 x Power Supply Cable