🔊 2‑in‑1 Wireless Bluetooth Transmitter & Receiver — Technical Specifications
📶 Bluetooth Connectivity
Bluetooth version: 5.0 (common in modern units)
Profiles supported:
A2DP (Audio streaming)
AVRCP (Remote control)
HFP / HSP (Hands‑free / headset support on some models)
Codec support:
SBC (standard)
aptX / aptX Low Latency (varies by model)
AAC (varies by model)
🔁 Operating Modes
📤 Transmitter (TX) Mode
Sends audio from a non‑Bluetooth device to Bluetooth headphones/speakers.
Common sources: TV, PC, game console, MP3 player, etc.
📥 Receiver (RX) Mode
Receives audio from a Bluetooth device (phone/tablet) to play on non‑Bluetooth speakers/headphones.
Common targets: Home stereo systems, powered speakers, car audio, etc.
🔌 Connectivity
Input (TX):
3.5 mm AUX
RCA / AUX (on some models)
Digital Optical (TOSLINK) (optional on higher models)
Output (RX):
3.5 mm AUX / Line‑out
RCA Line‑out (on some models)
🔋 Power
Power source:
USB‑C or Micro‑USB power input (USB 5 V)
Battery (if built‑in):
Typical capacity 300 mAh – 600 mAh battery
Playback/transmit time: ~8–12 hours per charge (model dependent)
📏 Range & Performance
Bluetooth range: Up to 10–15 m (33–50 ft) (line‑of‑sight)
Latency:
Standard 😐 SBC: ~150–200 ms
aptX LL: ~40 ms (for low latency gaming/video sync)
🎧 Features
Multipoint pairing: Connect to two Bluetooth devices simultaneously (model dependent)
LED indicators: Mode and connection status lights
Dual‑mode operation: Auto switch between TX/RX
Low‑latency support for video and gaming when aptX LL is supported
Pass‑through audio: Some models allow simultaneous wired + Bluetooth use
📊 Quick Specification Table
Feature
Specification
Bluetooth version
5.0
Profiles
A2DP, AVRCP, HFP/HSP
Codecs
SBC (standard), aptX / aptX LL / AAC (varies by model)
Modes
TX (transmitter) + RX (receiver)
Inputs (TX)
3.5 mm AUX, RCA, Optical (optional)
Outputs (RX)
3.5 mm AUX, RCA
Range
Up to ~10–15 m
Power
USB powered (5 V)
Battery
Built‑in (optional)
📌 Typical Use Cases
TX Mode:
• TV → Bluetooth headphones
• PC → Bluetooth speaker
• Game console → Bluetooth headset
RX Mode:
• Phone/Tablet → Car stereo (AUX)
• Phone → Home amplifier
• Bluetooth device → Wired speaker system
✅ Quick summary:
A 2‑in‑1 Bluetooth transmitter/receiver lets you add Bluetooth send and receive capability to any audio setup — turning non‑Bluetooth gear into wireless devices and letting Bluetooth audio connect to wired systems.