BLT R1B - Receiver Karma - Free user manual and instructions
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| Product Type | Bluetooth Audio Receiver |
| Brand | Karma |
| Model | BLT R1B |
| Category | Receiver |
| Dimensions | Approximately 5.5 x 3.0 x 1.2 cm |
| Weight | Approximately 12 g |
| Power Supply | Built-in lithium battery, USB 5V charging |
| Battery Life | Up to 6 hours of continuous playback |
| Charging Time | Approximately 2 hours |
| Bluetooth Version | Bluetooth 5.0 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Supported Profiles | A2DP, AVRCP, HSP, HFP |
| Audio Output | 3.5 mm stereo jack |
| Main Features | Wireless audio streaming, hands-free calling, easy pairing |
| Controls | Play/pause, track skip, volume control, answer/end call |
| Indicators | LED status for power and pairing |
| Maintenance | Wipe with a soft, dry cloth; do not use liquid cleaners |
| Safety Warnings | Do not expose to water or heat; use only approved chargers |
| Spare Parts | Replacement battery not user-accessible; contact qualified service |
| Repairability | No user-serviceable parts inside; seek professional help |
| General Information | Compact design for car or home stereo integration |
Frequently Asked Questions - BLT R1B Karma
How do I pair the Karma BLT R1B with my phone?
Turn on the receiver and put it in pairing mode by pressing and holding the power button until the LED flashes red and blue. Then, on your phone, enable Bluetooth and search for a device named 'BLT R1B'. Tap to connect. If prompted, enter the code 0000 or 1234.
What is the Bluetooth range of this receiver?
The receiver operates within a 10-meter (33 feet) range in open spaces. Walls, furniture, and other obstacles can reduce the effective range. For best performance, keep your phone or audio source in the same room.
How long does the battery last?
With a full charge, the internal battery provides up to 6 hours of continuous playback. Battery life may vary depending on volume levels and audio content. The LED will blink or turn red when the battery is low.
How do I charge the device?
Connect the included USB charging cable to the micro-USB port on the receiver and plug the other end into a USB power adapter, computer port, or power bank. A full charge takes about 2 hours. The LED turns red while charging and becomes blue when fully charged.
Can I use the receiver with non-Bluetooth devices?
Yes, the receiver can be connected to any device with a 3.5 mm audio input, such as a car stereo, home theater system, or powered speakers. It converts the Bluetooth signal from your phone into a wired audio output.
Does it support hands-free calling?
Absolutely. The receiver supports hands-free calling (HFP profile). A built-in microphone lets you answer and end calls, and you can use the button on the device to manage calls. Audio from calls is streamed through the connected stereo system.
How do I reset the receiver?
To reset the device, keep the power button pressed for about 10 seconds until the LED flashes rapidly. The receiver will turn off and clear its pairing memory. You can then pair it again with your phone as if it were new.
What do the LED lights indicate?
The LED indicator provides status information: a steady blue light means the receiver is on and connected; a rapid red-and-blue flash indicates pairing mode; a red light may signal charging or a low battery. Consult the user manual for detailed LED patterns.
Can I use two receivers together?
No, this model is designed for single-device connection. It does not support simultaneous pairing with multiple receivers. To use multiple outputs, you would need a Bluetooth transmitter with dual-link capability.
Is the device car-compatible?
Yes, the Karma BLT R1B is ideal for car audio systems. Simply plug it into your car's auxiliary input (AUX), pair your phone, and stream music or take calls. It can also be powered by a USB car charger.
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USER MANUAL BLT R1B Karma
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Product information
Brand : Karma
Model : BLT R1B
Category : Receiver