2-in-1 Bluetooth Audio Transmitter Receiver with LED Display 9-11H Playback 250mAh TX/RX 2-Device Pairing SBC Hands-Free Bluetooth 5.4 Wireless Audio Adapter

[Specifications]
Product Name: Bluetooth Audio Transmitter & Receiver with Digital Display
Model: C83PLUS
Color: Black
Material: ABS + Electronic Components
Battery Capacity: 250mAh (Built-in Rechargeable Battery)
Bluetooth Version: Bluetooth 5.4
Wireless Transmission Range: Up to approx. 10 meters (open, unobstructed environment)
Supported Bluetooth Profiles: HFP / HSP / A2DP / AVRCP
Audio Decoding Format: SBC (Lossless high-definition decoding)
Display Type: LED Digital Display
Built-in Microphone: Yes
Ports:
• 3.5mm Audio Jack
• USB Type-C Power Port
Operating Modes: RX / TX (2-in-1 Design)
RX Mode (Receive Mode):
• Supports simultaneous connection of up to two Bluetooth devices
• Allows free switching between audio sources
• Suitable for enjoying music anytime
TX Mode (Transmit Mode):
• Supports connecting two wireless audio devices at the same time
• Ideal for shared listening experiences
Power Input: DC 5V / 1A
Charging Interface: USB Type-C
Charging Time: Approx. 2 hours
Playback / Working Time:
• RX Mode: Up to approx. 11 hours
• TX Mode: Up to approx. 9 hours
Applications:
RX Mode:
• Compatible with smartphones, tablets, legacy audio systems, speakers, and car audio systems
• Supports the connection of two devices simultaneously
TX Mode:
• Compatible with wireless headphones, computers, gaming consoles, wireless speakers, MP3/MP4 players, and TVs
• Supports connection of two devices simultaneously
[Packing List]
1 × Bluetooth Audio Transmitter & Receiver
1 × USB Type-C Charging Cable
1 × User Manual
Airplane Audio Adapter (Optional) – Contact Customer Service for Details

Features
✅ 2-in-1 Bluetooth Adapter: Functions as both TRANSMITTER (TX) and RECEIVER (RX), allowing seamless switching between sending and receiving audio signals.
✅ Bluetooth 5.4 Connectivity: Equipped with a FLAGSHIP wireless 5.4 chip for STRONG, STABLE signal transmission and low-latency audio.
✅ Dual Device Support: Connects up to TWO devices simultaneously in both RX and TX modes for shared listening or multitasking.
✅ High-Definition Audio: Supports SBC LOSSLESS audio decoding with high sampling rate for CLEAR, DETAILED sound quality.
✅ Long Playback Time: Built-in 250mAh rechargeable battery provides up to 11 hours in RX mode and 9 hours in TX mode.
✅ Fast Charging USB Type-C: Supports DC 5V/1A input and charges fully in approximately 2 hours.
✅ LED Digital Display: High-definition DIGITAL SCREEN shows device information, pairing status, and mode for intuitive operation.
✅ Built-in Microphone: Supports hands-free CALLS in RX mode, with easy ANSWER, HANGUP, and REJECT functions.
✅ 10-Meter Wireless Range: Built-in antenna ensures stable audio transmission over long distances in open, unobstructed environments.
✅ Active Device Search: Intelligently detects nearby Bluetooth devices and displays available names for easy PAIRING.
✅ Durable & Ergonomic Design: ABS body with high-gloss finish, high-resilience BENDING-RESISTANT plug, suitable for wall-mounted or tight spaces.
✅ Compact Travel-Friendly Design: Portable size and integrated features make it suitable for FLIGHT, OFFICE, CAR, and HOME use.
✅ Wide Compatibility & Versatile Use: Works with smartphones, tablets, TVs, computers, gaming consoles, speakers, amplifiers, and car audio systems, supporting music, movies, games, and hands-free calls in various scenarios.

Simple 3-Step Connection Guide
Step 1: Power on & Setup
Press and hold the multifunction key to turn on the device.
Connect your device via the 3.5mm audio jack or other input/output interfaces.
Adjust the RX/TX switch to select the desired mode.
Step 2: Bluetooth Pairing
RX Mode (Receive)
Turn on Bluetooth on your phone and search for “C83PLUS”.
Select and connect your first phone (Device A).
To connect a second phone (Device B), repeat the search and connection process. The device will display both connected phones.
TX Mode (Transmit)
Turn on your Bluetooth headphones or speakers and enable pairing mode.
The device will automatically search for nearby compatible devices. Available devices are displayed on the screen:
Green: ready to connect
White: already connected
Use the Up/Down keys to select a device, then press the multifunction key to confirm.
To connect a second wireless device, double-click the Power button, select the device, and press the multifunction key to confirm. The name will appear in white after a successful connection.
Step 3: Enjoy Your Music
Once paired, you can start listening wirelessly.