[Flagship Chips Dual DAC-CS43131 HiFi USB C Headphone Amplifier]- Mainly for high-end headphones with high impedance. Compatible with a variety of digital devices such as mobile phones, computers. For iOS users, the Lightning OTG cable must be purchased separately.

[16-600Ω impedance USB C headphone amplifier] - Supports headphones with an impedance of up to 600Ω, up to 384kHz / 32bit PCM native DSD256 audio file fully filter noise and output high-quality audio. Professional HIFI circuit from in-house development. Rich bass + good treble. The sound is more clear and detailed.

HIFI DAC 3.5 mm + 2.5 mm - Both 3.5 mm and symmetrical 2.5 mm are included in such a small size. 2.5mm balanced output, independent decoding of the left and right channel. 3.5 mm headphone jack input and output, realistic stereo sound and better sound quality.

Fine carved craftsmanship mini amplifier USB C DAC - Lamscat pocket box 2, made by CNC integrated mould technology, aluminium alloy housing can reduce signal interference and improve heat resistance.

Minimalist high-end design: the volume can be adjusted beautifully steplessly via the rotary knob. No battery, no app, no drivers. No need to worry about charging. Volume control and song change pause available.