General Details


The is a highly integrated Bluetooth 4.1 EDR module, designed for short-range wireless communication in the 2.4 GHz ISM band. With the ISSC Bluetooth stack and profile, to provides a Bluetooth 4.1+EDR solution for wireless not only voice/audio but also serial port data transfer applications.


An internal class-D amplifier can drive the speaker directly. It can be driven up to 4.5V supply voltage with an acceptable heat and current consumption.


 Main features: 

Main Chip: ISSC IS2013S

Bluetooth 4.1 EDR compliant 

Max. +4dBm Class 2 output power 

Receiver Sensitivity: GFSK typical -90dBm, /4 PSK typical -91dBm, 8DPSK typical -83dBm 

Piconet and Scatter net support 

UART command set 

CVSD,A-law, -law CODEC algorithms for voice applications 

SBC/AAC decode for Bluetooth audio streaming 

Build-in High performance stereo audio codec 

Microphone input and audio line-in support 

Build-in audio mux/gain control for line-in audio signal 

Cap-less/single end headphone driver 

Audio DAC with 94dB SNR that provides a supreme clear audio output 

Build in 350mAH Li-ion battery charger 

Build in a class-D amplifier 

HSP, HFP, A2DP, AVRCP profiles support 

3.3V operating voltage

The minimum requirement for EEPROM size is 32Kb

Technological details