Sonata HD Specification: SNR: 114dB. Output power: 2 X 60mW/32 ohm. Sampling rate: 16/24 bit, 44.1/48/88.2/96/176.4/192KHz. Working current: 50mA. Digital interface: TYPE-C. Analog interface: 3.5mm. Support system: Windows7 or above exclusive driver / MscOSX / Android. Feature: It also provides excellent headphone drive capability while fully enhancing the sound quality of mobile phones. It can support the global output of the mobile phone and achieve the high-definition output capability of 24bit/192kHz with the cooperation of professional player software. The product can support high-definition audio source of 24bit/192kHz through Hi-Res high-quality certification, with a signal-to-noise ratio of 114dB and sound quality ratio. Triple the promotion of ordinary mobile phones Sonata HD Pro ios Specification: Sonata HD Pro can decode DSD file by itself. SONATA HD PRO,REAL DSD,MINI PORTABLE DAC & AMP * CS43131 Chip * Decoding Amplifier * Volume control (pressing the + or —buttons) * Support Mac OS、iPad OS,iOS, Android, Windows, * Micro to Micro OTG cable,Micro to Type-C OTG cable,2.0 USB to Micro cable,Micro to Lightning cable. Iphone | android In order to make all users who like music hear high-fidelity sounds, we have provide two cables. iPhone or Android phone, just switch by a cable. Connection with iPhone/iPad,Connection to Andriod Phone with Type-C port LOSSLESS MUSIC,Mini portable DAC&AMP, supports lossless PCM and DSD music.enjoy music whenever and wherever. Connection with Laptop/Desktop,Connection with TempoTec V1 HIFI Player Direct Stream Digital,Sonata HD Pro decodes DSD Music by itself not by APP on cellphone.Real DSD and real buttons control volume NAME SONATA HD SONATA HD PRO TYPE INTEGRATED SPLIT DAC CHIP CS42L42 CS43131 MICROPHONE YES NO 24bit/192kHz YES YES 32bit/384kHz NO YES DSD64 NO NATIVE & DOP DSD128 NO NATIVE & DOP DSD256 NO NATIVE SNR 114dB 128dB DNR 114dB 128dB USB DRIVER YES YES ASIO YES YES iPhone/iPad NO YES Packing Included: 1* Sonata HD Pro 1* Adapter(female type-c to maleUSB-A) 1* Hi-Res logo sticker 1* OTG cable(micro-usb to type-c ) 1* cable(micro-usb to lightening )