3.5mm single-ended and 4.4mm balanced dual output ports, to meet the needs of the daily commute to the depth of the audiophile listening needs. Flagship Decoding Chip ES9039Q2M chip. presenting a studio-grade acoustic experience.126dB ultra-high SNR and 0.00056% ultra-low Dual Type-C/IOS Adapters Are Standard Plug and play for cell phones, iPads, and laptops; build your personal HiFi system at any time Chipset: CT7601CR+ES9039Q2M SNR: ≥122dB Frequency response: 20-20KHz (±0.05dB) Distortion: SE: 0.00056% : 0.00056% Load impedance: 16-300Ω Max output power: SE:120mW (32Ω) : 240mW (32Ω) PCM sampling rate: up to 32bit/768kHz DSD512 Input mode: Type-C Supported devices: mobile phone, tablet, computer, MP3, TV, etc Output mode: 3.5 Single-end Headphone +4.4 Balanced Headphone Output (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: ABS Package Contents: 1 * Earphone Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.