This part is a kind of semiconductor called CX20706.

Function of this product has Speakers-on-a-Chip.

Manufacturers : CONEXANT

Image and pinout :

Some of the text within the PDF file :

Audio Speakers-on-a-Chip Speakers-on-a-Chip with On-chip Voice/Audio DSP, Integrated I2C/USB Codec, and Mono Class-D Amplifier CX20706 Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for communications and consumer applications. The CX20706 features a proprietary on-chip Digital Signal Processor (DSP), Codec, Mono Class-D amplifier, USB, UART, and I2C interfaces, high performance 24-bit DAC’s and ADC’s, a range of digital and analog input/output channel selections for flexible routing and mixing, and a stereo capless headphone driver in a cost-effective singlechip package. The device is one of Conexant’s Speakers-on-a-Chip (SPoC) embedded audio solutions for convergence audio entertainment and voice communication applications. The solution features a [ ... ]

CX20706 PDF Datasheet Download