The Best Csr Bluetooth Module of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Csr Bluetooth Module of 2025. Check our ranking below.
2,537 Reviews Scanned
- Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported
- Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
- Module working voltage 3.6 V to 6V
- Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE
- Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified
- 1.Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
- 2.Module working voltage 3.6 V to 6V
- 3.HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your for Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
- 4.6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your for Arduino Board
- 5.Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified
- Application: Wireless speaker, Wireless audio, Wireless headphone
- Easy to use. Bluetooth 4.1 technology, strong versatility.Wireless transmission distance >= 10 meters.
- Intuitive LED indication.Line input stereo.
- Package Included: 1Pcs Bluetooth 4.1 Stereo Sound Module Audio Transmitter Stereo Module Wireless Speaker Headphones(If there are any problems with the product, please send us pictures.Tell us more details about this problem.)
- Thank you so much for your purchasing from our store.Any question ,please feel free to contact us.
- 1. Compatible with various USB Bluetooth adapters, operates in slave mode: Pair with Bluetooth dongle for seamless connectivity.
- 2. LED indicator for Bluetooth connection status: Flashing for connectivity, steady light for active connection, and open port on backplane.
- 3. Core module equipped with HC-06, featuring VCC, GND, TXD, RXD, and LED status output pins. Microcontroller connectivity can be determined by foot state and slave KEY pin.
- 4. Compact design, low power consumption, and high sensitivity for both sending and receiving data. Technical specifications include Bluetooth version V2.0+EDR, operating voltage 3.3V, UART host interface, storage temperature range -40℃ to +150℃, signal coverage up to 30ft, item size 4.3 * 1.6 * 0.7cm, and item weight 3g.
- 5. Ideal for short-range wireless data transmission applications, such as Bluetooth wireless data transmission, industrial remote control, telemetry, traffic, underground positioning, alarm systems, and smart home projects. Drop-in replacement for wired serial connections, offering transparent usage for establishing connections between MCUs, GPS, PCs, and various embedded projects.
- 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, when the bluetooth connection has not been established by pairing the AT command set baud rate, name, password, and set the parameters of the power save. After the bluetooth connection automatically switch to passthrough mode.
- Using HC - 06 from module , which leads to the interface includes VCC, GND, TXD, RXD, reserved LED state output pin, MCU can state whether the bluetooth is connected through the foot, from machine KEY pin is invalid.
- Interface level 3.3 V, the input voltage 3.6 ~ 6 V, current when the unpaired about 30 ma, matching after about 10 ma, no more than 7 V input voltage, can be connected directly to all kinds of single chip microcomputer, 5 V single chip can be connected directly, without MAX232 couldn't through MAX232.
- 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.
- Using Bluetooth master chip, Bluetooth 5.0 version, high-speed transmission without distortion, the sound quality can reach high-definition standards.
- The product supports efficient music transmission, version 5.0, compatible with the following versions.
- Bluetooth 2RCA AUX cable adapter.
- Package Included:1Pcs Car Universal Wireless Bluetooth Module Music Adapter RCA Aux Audio Cable(If there are any problems with the product, please send us pictures.Tell us more details about this problem.)
- Thank you so much for your purchasing from our store.Any question ,please feel free to contact us.
- Universal bluetooth module with 2 RCA input.With fuse holder to protect your radio.
- This product is specially made for car audio/stereo. Just connect the two wires to 12V+and ground and plug the 3.5MM into the car audio, pair your phone with our bluetooth module:SKY Bluetooth. You can hear music from the car speakers. It can be used for any phone,pad,mp3,etc if only they have bluetooth function. Cable length for 3.5mm:100cm CE APPROVED ROHS STANDARD
- 【Main Function】: This is a car music bluetooth auxiliary adapter that can match the bluetooth module of your mobile phone or computer. It is used for wireless transmission of navigation, music, phone cells, ect. By using this adapter, you can use your car speakers to listen to sounds from mobile phones, computers and MP3 players.
- 【High Quality】: This wireless stereo receiver uses bluetooth 5.0 version of the main chip. By connecting the car audio through the wiring harness, the high-speed transmission will have no distortion, no interference and no loss. The sound quality can reach high-definition standards and is comparable to the original CD sound quality.
- 【Durable Material】: The shell of the module music adapter is made of plastic material, which is durable and waterproof, and it's a good insulator. The plug is made of copper material, which has strong corrosion resistance, pressure bearing capacity and good electrical conductivity. The outside of the wire is wrapped with insulating material, which can effectively prevent leakage.
- 【Easy Installation】: Plug and play. Remove the CD player and insert the audio plug into the corresponding audio interface on the back of the player. The red wire is connected to the positive wire of the power plug, and the black wire is connected to the negative wire. Switch the car CD player to AUX mode and connect it to the phone via bluetooth.
- 【Wide Application】: This auxiliary audio is universal and suitable for most vehicles of audio players. The bluetooth is compatitable with versions below 5.0 and can connect to most electronic devices. Play music in real time, and the sound source is updated in time to create a pleasant driving atmosphere.
Last update on 2026-06-04 / Affiliate links / Images from Amazon Product Advertising API
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