2-in-1 Car AUX Bluetooth Audio Receiver/Transmitter Bluetooth 5.4 10H Playback 180mAh 15m Range AAC/SBC Hands-Free Mic for Car Home Wireless Audio Adapter

[Specifications]
Product Name: 2-in-1 Car AUX Bluetooth Audio Receiver & Transmitter
Model: M30
Color: Black
Material: ABS + Electronic Components
Battery Capacity: 180mAh / 3.7V (Built-in Rechargeable Battery)
Bluetooth Version: Bluetooth 5.4
Bluetooth Frequency Range: 2.4 GHz – 2.4835 GHz
Frequency Response: 20Hz – 20KHz
Wireless Transmission Distance:
RX & TX up to approx. 15 meters (open area, no obstacles)
Supported Bluetooth Profiles: HFP / HID / A2DP / AVRCP
Built-in Microphone: Yes
Audio Decoding Formats: High-quality AAC / SBC decoding supported
Power Input: DC 5V
Output Load: 16–600Ω Adaptive
Signal-to-Noise Ratio: ≥120dB
Charging Interface: USB Type-C
Charging Time: Approx. 2 hours
Playback / Operating Time:
• Receiver (RX) Mode: Up to approx. 10 hours
• Transmitter (TX) Mode: Up to approx. 6–8 hours
Ports:
• 3.5mm AUX Audio Jack
• USB Type-C Charging Port
Operating Modes:
• Transmitter Mode (TX):
Converts wired audio sources into a Bluetooth signal for wireless transmission to Bluetooth-enabled devices such as TVs, set-top boxes, Bluetooth speakers, Bluetooth headphones, or gaming devices.
Indicator Light: Red
Note: Supports connection to one Bluetooth device at a time.
• Receiver Mode (RX):
Receives Bluetooth audio signals and outputs them to wired audio equipment such as wired speakers, car audio systems, or other AUX-input devices.
Indicator Light: Blue
Note: Supports connection to one Bluetooth audio source at a time.
Compatibility: Compatible with most Bluetooth-enabled smartphones, tablets, and audio devices, including devices compatible with iPhone, Android, and other operating systems.
[Packing List]
1 × 2-in-1 Bluetooth Audio Receiver & Transmitter
1 × USB Type-C Charging Cable

Features
✅ 2-in-1 Bluetooth RX/TX Function: One-click switching between RECEIVER (RX) and TRANSMITTER (TX) modes, easily converting wired audio devices to Bluetooth or Bluetooth audio to wired systems
✅ Bluetooth 5.4 Stable & Low-Latency Chip: Upgraded BLUETOOTH 5.4 technology delivers faster pairing, stronger signal stability, lower latency, and smoother wireless audio performance
✅ CD-Level High-Quality Sound: Supports AAC / SBC decoding, 20Hz–20KHz frequency response, and ≥120dB SNR for clear, pure, and natural sound reproduction
✅ Long Battery Life for Daily Use: Built-in 180mAh rechargeable battery provides up to 10 hours in RX mode and 6–8 hours in TX mode, ideal for car and home audio
✅ 15-Meter Wireless Transmission Range: Reliable Bluetooth connection up to 15 meters (open space) with minimal interference, ensuring stable and uninterrupted listening
✅ Built-In Microphone for Hands-Free Calls: Integrated MIC supports hands-free calling and voice communication when used in RX mode with car audio systems
✅ Adaptive Output Load Design: Supports 16–600Ω impedance, automatically adapting to different audio devices for optimal sound output
✅ USB Type-C Fast Charging: Modern TYPE-C charging interface with approximately 2-hour full charge, convenient and efficient for everyday use
✅ Compact & Durable ABS Housing: Made from ABS + electronic components, featuring a compact design that is resistant to bending and suitable for long-term use
✅ Single-Device Focused Connection: Optimized to connect one Bluetooth device at a time, ensuring stable performance and reduced signal conflict
✅ Car & Home Dual-Scene Application: Perfect for vehicle-mounted audio, home speakers, TVs, and sound systems, upgrading traditional wired devices to wireless freedom
✅ Wide Device Compatibility: Compatible with iPhone-compatible, Android, tablets, TVs, computers, game consoles, car audio systems, wired speakers, and wired headphones via 3.5mm AUX