Best Bluetooth Module

ACEIRMC ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MP + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire

ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MPcompatible for Arduino, Support Image WiFi Upload and TF Card.
Bluetooth: Bluetooth 4.2 BR/EDR and BLE standard.
Camera WiFi + Bluetooth Module 4M PSRAM Dual-core 32-bit CPU Development Board with OV2640 2MP Camera Module + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire.
FTDI USB Serial Adapter comes with the FT232RL chip and uses both 3.3V and 5V operating voltage. Adapter Logic-level can be set via jumpers on the board, which makes simple to connect to your controller. USB power has over current protection, using 500MA self-restore fuse..
This module supports interfaces such as UART / SPI / I2C / PWM / ADC / DAC.

Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane.
Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid..
Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g..
The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect..
Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices..

[BLUETOOTH 4.2 SUPPORT]The mp3 module support Bluetooth 4.2. With blue backlight function, it support USB sound card function and Micro USB 5V power input. And also has power off memory function---memorize playing songs and volume before power off..
[SUPPORT FOLDER SELECtION FROM secure digital memory card OR USB DISK ]The mp3 module support folder selection and then music playback (remote control operation or panel operation) from secure digital memory card or USB disk..
[USB/SD CARD/BLUETOOTH/FM SWITCHING SUPPORT]The mp3 module support USB/SD card/Bluetooth/FM switching. Conversion prompt (Signal, Chinese, English voice prompt optional)..
[MULTIPLE MUSIC FORMATS SUPPORT]The decoder supports MP3/WMA/WAV/lossless APE/FLAC format music. MP3 Songs: 2-320kbps, WAV/WMA: 1411kbps and below..
[MULTI-FUNCTION SUPPORT]The mp3 module support secure digital memory card / USB flash switching, songs selection, volume adjustment, EQ, play /pause, stop, mute, shutdown, direct election song..

Original HM-10 module, DSD TECH brand guarantees and we accept refund without any excuse..
Bluetooth master and slave module, Through the AT command, you can set this bluetooth module to the master mode can also be set to slave mode, even in iBeacon way work . .it also Supports Apple Notification Center Service (ANCS).
Compatible with iOS 7 and later and Android 4.3 or later.
Working voltage 3.3V ,Default rate of 9600..
DSD TECH back this Bluetooth 4.0 Master and Slave 2-in-1 module with ONE Year WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours..

The ESP32CAM is a tiny module based on ESP32 chip and OV2640. You can even program the ESP32CAM through the ESP-IDF by installing the ESP32 Core.
ESP32-CAM WiFi Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MP for Arduino, Support Image WiFi Upload and TF Card.
Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC.
Support OV2640 and OV7670 cameras, built-in flash.
Support image WiFi upload and Support TF card.
Bluetooth: Bluetooth 4.2 BR/EDR and BLE standard.
Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module.

Original HM-10 module, DSD TECH brand guarantees and we accept refund without any excuse..
Bluetooth master and slave module, Through the AT command, you can set this bluetooth module to the master mode can also be set to slave mode, even in iBeacon way work . .it also Supports Apple Notification Center Service (ANCS).
DSD TECH 4 PIN base Board, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project or other DIY project.
Working voltage 3.6 V to 6V,Default rate of 9600.There are 4PIN dupont cable in the package.
DSD TECH back this Bluetooth 4.0 Master and Slave 2-in-1 module with ONE Year WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours..

Compatible with :All Vehicles have AUX USB Interface , the AUX Port provides audio , and USB port support 5V..
The bluetooth module is made for BMW Peugeot VW ect vehicles which has 3.5mm AUX and USB Interface..
If there is 3.5mm AUX and USB socket,our bluetooth module will work..
Just plug the AUX connector into the socket back of your radio..
Pair your phone or mp3 or pad with bluetooth to the module, this name: jierui5908..

USB Charging Port Dock Power Connector Module Replacement Compatible with UE BOOM 2 Bluetooth Speaker.
Tips: This is USB Charging Port Dock Power Connector Module replacement to replace your old damage USB Charging Port Dock Power Connector Module,....
Broken your USB Charging Port Dock Power Connector Module, don't need to change new machine, just buy this item and replce your damage USB Charging....
Compatible with: UE BOOM 2 Bluetooth Speaker (Please check your machine model before your purchase).
Product is fragile, easy to be damage during shipping. So if there are any questions, please contact us first, we will try our best to help you..

【Precise Control Over Your Devices】 Compatible with all Renogy RS485 communication port products includes the Rover Elite MPPT Solar Charge....
【Real-time Insight】 Get real-time and historical data via Bluetooth Module and Renogy DC Home App. Bluetooth 4.2 and BLE technology provides fast....
【User-friendly】 Easily connect the Bluetooth Module to the RS485 communication port, and follow the App instructions. The Bluetooth Module is....
Connect the BT-2 to the component's RJ45 communication port to wirelessly check and adjust your system's parameters through the DC Home App (available....
Fully control the solar power generation, energy storage, and inverters' real-time operation data by monitoring from the DC Home App..