The WB9770-00 module from JORJIN is a wireless audio module targeting at wireless audio streaming for hearables, wireless headsets and headphones applications. This module is based on NXP NXH3670 and KL27. 

The NXH3670UK constitutes a highly integrated, single chip ultra-low power 2.4 GHz wireless transceiver with embedded MCU. The NxH3670 runs a proprietary wireless audio streaming protocol which has been optimized for wireless gaming headset applications, providing high-quality forward audio streaming at low latency (<20ms) combined with a simultaneous voice microphone backchannel. Additionally, a wireless bidirectional data channel is available. While primarily designed for headsets, this solution can also enable wireless audio streaming for household and office devices like soundbars, wireless speakers, wireless Subwoofers and more.

Key Features

NXP NXH3670UK & MKL27Z256VMP4, 24.576MHz & 16MHz crystals, and chip antenna on a single module.

LGA 90pins package.

Dimension 19.5mm(L) x 12mm(W)

The height of module without antenna is 2.2mm, with antenna is 2.6mm.

Powerful ARM® Cortex®-M0+ Microcontroller up to 48MHz

256 KB program flash memory, 32 KB SRAM in host controller.

USB full-speed 2.0 device controller supporting crystal-less operation

USB x 1, I2C x 2, SPI x 1, UART x 2, I2S x 1

More than 40 GPIOs

2.4-GHz RF Transceiver and Integrated Antenna.

Supporting BLE GFSK modulation 1 Mbps and 2 Mbps

Audio interfaces and audio processing accelerators

RoHS Compliance

Operating temperature -20 °C to +85 °C





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Date added : 28 - 10 - 2020
Date modified : 28 - 10 - 2020