Bluetooth 5.3 6.0 Audio Transmitter Receiver NFC Adapter Multi Interface DAC Converter LED Display RGB Light for Home Stereo

Product Features

1. Stable Bluetooth Connection: Built with Bluetooth 5.3/6.0 chip for enhanced compatibility and stability, backward-compatible with older Bluetooth versions. Supports A2DP/AVRCP protocol, offering 10-20 meters of stable connection range with phones, tablets, computers, TVs, and more.
2. Dual RX/TX Mode Operation:
   • Receiver Mode (RX): Upgrade old amplifiers/speakers with Bluetooth functionality. Connect via Bluetooth from phones/tablets and output to speakers through AUX/RCA/Optical/Coaxial. Supports connecting two phones simultaneously.
   • Transmitter Mode (TX): Connect to TVs, computers, or set-top boxes to transmit audio to Bluetooth headphones/speakers for quiet late-night viewing or gaming.
3. One-Touch NFC Pairing: Built-in NFC sensor allows instant pairing/unpairing by tapping your phone to the adapter, eliminating complicated Bluetooth setup steps.
4. Multi-Interface DAC Conversion: Integrated digital-to-analog chip supports multiple input/output ports: Inputs include 3.5mm AUX, RCA, Optical, Coaxial, and USB; Outputs include 3.5mm AUX and RCA. Optical port supports 192kHz/24bit sampling rate.
5. LED Display & RGB Light Effects: 25*10mm LED screen clearly shows working mode, Bluetooth status, and frequency. Multi-color adjustable RGB lights create soft, non-glare ambiance for different scenarios.
6. Local Playback & Hands-Free Calls: Directly plays music from USB drives (≤64GB) in formats including MP3, WAV, WMA, APE, FLAC, M4A, ALAC, and AMR. Built-in HD microphone supports hands-free calling and voice navigation with clear audio.
7. Long-Lasting Battery: 3.7V/1000mAh lithium battery charges fully in ~1.5 hours via Type-C port. Provides ~10 hours of use in RX mode, ~10-12 hours in TX mode, and up to 30 days standby time. Can also be used while charging.

Specifications

• Model: OMS-M13 Pro
• Bluetooth Version: Bluetooth V5.3/6.0
• Supported Protocols: RX: A2DP/AVRCP; TX: A2DP
• Operating Frequency: 2.402GHz - 2.480GHz
• Sensitivity: -85dBm < 0.1% BER
• Signal-to-Noise Ratio: ≥90dB
• Distortion: ≤0.1%
• Interfaces:
  • Input: 3.5mm AUX + RCA + Optical + Coaxial + USB
  • Output: 3.5mm AUX + RCA
• Optical Specs: Supports 32/44.1/48/96/192KHz sampling rate, 24bit
• Supported Formats: MP3, WAV, WMA, APE, FLAC, M4A, ALAC, AMR
• Display Size: 25*10mm LED Screen
• Operating Current: < 40mA
• Battery: 3.7V/1000mAh (3.7W)
• Charging Parameters: Type-C 5V/1000mA, charging current ~1000mA, charging time ~1.5 hours
• Battery Life: ~10 hours (RX mode), ~10-12 hours (TX mode)
• Bluetooth Range: 10-20 meters (open area)
• Dimensions: 99.57524.2mm (LWH)
• Weight: 105.55g
• Color: Black, Silver
• Material: Plastic

Package Includes

• 1 × Bluetooth Audio Adapter
• 1 × Type-C Charging Cable
• 1 × 3.5mm Audio Cable
• 1 × RCA Cable
• 1 × User Manual (English/Chinese optional)

Application

• Home Stereo Upgrade: Add Bluetooth capability to vintage amplifiers and speakers for wireless music streaming from phones/tablets.
• TV/PC Audio Transmitter: Send TV/PC audio to Bluetooth headphones/speakers for quiet viewing or gaming without disturbing others.
• Car Audio Modification: Add Bluetooth functionality to older car stereos for hands-free calls, voice navigation, and wireless music streaming.
• Desktop Audio System: Connect PC via optical/coaxial to speakers or transmit to Bluetooth headphones for low-latency music and gaming.
• Portable Local Playback: Play music directly from USB drives without a connected device, ideal for outdoor, camping, and travel use.
• Audio Signal Conversion: Convert digital optical/coaxial signals to analog AUX/RCA for compatibility with different audio devices.

Notes

1. Confirm the mode matches your device: RX for speakers/amplifiers (receiver mode), TX for TVs/PCs (transmitter mode).
2. NFC pairing requires a phone with built-in NFC functionality; ensure NFC is enabled on your device.
3. When using optical/coaxial connections, set your device to output PCM digital audio format.
4. Do not charge for more than 2 hours to avoid overcharging the battery.
5. Turn off the power when not in use for extended periods and store in a dry environment.
6. Minor color variations may occur due to lighting and display differences; please refer to the actual product. Measurement error ±1-3cm is normal.