The KB64x is a mono/stereo/stereo (aptX) module with TWS support, which are highly integrated, cost effective, low power consumptions chips for intensive audio applications.

The KB61/60X is a mono/stereo module, which are highly integrated, cost effective, low power consumptions chips for intensive audio applications.

The KB86C Bluetooth module is a highly integrated single-chip Bluetooth audio ROM device that targets stereo speakers and headsets.

The KB51S Bluetooth module is a highly integrated single-chip turnkey of Bluetooth radio transceiver and baseband processor with multi-media capability 

KBM62A is a highly integrated Bluetooth2.1+EDR Stereo module, Embedded ARM Cortex- M3 Core, With Bluetooth stack; MP3/WMA decoder, MP2 encoder, USB OTG, SD/MMC card controller, SARADC, Audio DAC, Audio ADC, segment LED display driver, RTC and IR decoder in a single chip, KBM62A module offers low cost, low power consumption, flexible and more powerful Bluetooth Audio player solution. 

KDNFC01 is a small form factor NFC tag (RFID) module for consumer or PC peripheral devices. With the printed             antenna on the module, the user can use it easily to be the short distant tag (up to 3cm). With those 2 pins connecting to a trigger circuit, it can act as a pairing mechanism for Bluetooth Simple Secure Pairing device.

The KQC198A is an USB Dedicated Charger identification circuit which is so smart to recognized most of mainstream handheld devices. It allows device to draw a current as much as using an original adapter.

The KQC20 Chip is low-cost USB Dedicated Charger Identification Circuit IC which is so smart to recognize most of the mainstream handheld devices. About the detail technological information about the KQC20, please reference the data sheet of KQC20 for detail.