| A2DP | Advanced Audio Distribution Profile |
| AAC | Advanced Audio Codec |
| ADC | Analog-to-Digital Converter |
| AEC | Acoustic Echo Cancellation |
| AFH | Adaptive Frequency Hopping |
| ANCS | Apple Notification Center Service |
| API | Application Programming Interfaces |
| AVRCP | Audio/Video Remote Control Profile |
| AW | Audio Widening |
| BDR | Basic Data Rate |
| BER | Bit Error Rate |
| BLE | Bluetooth Low Energy |
| BOM | Bill of Materials |
| BPF | Band Pass Filter |
| BR | Basic Rate |
| CVSD | Continuous Variable Slope Delta |
| DAC | Digital-to-Analog Converter |
| DFU | Device Firmware Upgrade |
| DIS | Device Information Service |
| DLE | Data Length Extension |
| DPSK | Differential Phase Shift Keying |
| DQPSK | Differential Quadrature Phase Shift Keying |
| DR | Receive Data |
| DSP | Digital Signal Processor |
| DT | Transmit Data |
| EDR | Enhanced Data Rate |
| EMC | Electromagnetic Compatibility |
| EVB | Evaluation Board |
| FET | Field Effect Transistor |
| GAP | General Access Profile |
| GATT | General Attribute Profile |
| GFSK | Gaussian Frequency Shift Keying |
| GPIO | General Purpose Input Output |
| GUI | Graphical User Interface |
| HFP | Hands-Free Profile |
| HPF | High Pass Filter |
| HSP | Headset Profile |
| HW | Hardware |
| I2C | Inter-Integrated Circuit |
| I2S | Inter-IC Sound |
| IC | Integrated Circuit |
| ICSP™ | In-Circuit Serial Programming™ |
| IDE | Integrated Development Environment |
| IF | Intermediate Frequency |
| IPE | Integrated Programming Environment |
| JTAG | Joint Test Action Group |
| LDO | Low-Dropout |
| LED | Light Emitting Diode |
| LNA | Low-Noise Amplifier |
| LPA | Linear Power Amplifier |
| LSB | Least Significant Bit |
| MAC | Medium Access Control |
| MB DRC | Multi-Band Dynamic Range Compression |
| MCLK | Primary Clock |
| MCU | Microcontroller |
| MEMS | Micro-Electro-Mechanical Systems |
| MFB | Multi-Function Button |
| Modem | Modulator-demodulator |
| MPA | Medium Power Amplifier |
| mSBC | Modified Sub-Band Coding |
| MSPK | Multi-Speaker |
| NR | Noise Reduction |
| OTA | Over-the-Air |
| PBAP | Phone Book Access Profile |
| PCB | Printed Circuit Board |
| PCM | Pulse Code Modulation |
| PDM | Pulse Density Modulation |
| PIM | Plug-In Module |
| PLC | Packet Loss Concealment |
| PMU | Power Management Unit |
| POR | Power-On Reset |
| PWM | Pulse Width Modulation |
| RF | Radio Frequency |
| RFS | Receive Frame Sync |
| RoHS | Restriction of Hazardous Substances |
| RSSI | Received Signal Strength Indicator |
| RX | Receiver |
| SAR | Successive Approximation Register |
| SBC | Sub-Band Coding |
| SCO | Synchronous Connection-Oriented |
| SDK | Software Development Kit |
| SIG | Special Interest Group |
| SNR | Signal-to-Noise Ratio |
| SoC | System-on-Chip |
| SPP | Serial Port Profile |
| SW | Software |
| TX | Transmitter |
| UART | Universal Asynchronous Receiver-Transmitter |
| UI | User Interface |
| USB | Universal Serial Bus |
| VB | Virtual Bass Enhancement |
| VCO | Voltage-Controlled Oscillator |
| WDT | Watchdog Timer |
