UGREEN Bluetooth Receiver Audio Adapter

Mô tả

• Accessories:
• 40759: Equipped with a 1x USB-A to Micro USB power cable, 1×3.5mm audio cable. 40759P: Equipped with a 1x USB-A to USB-C power cable, 1×3.5mm audio cable.
• Input Port and Specifications:
• ◆1*Micro USB Female (40759): Used to power the product, specifications: DC5±0.25V, >100mA◆1*USB-C Female (40759P): Used to power the product, specifications: DC5±0.25V, >100mA◆1* Bluetooth Input: A1 version: Bluetooth 5.0, A2/A3 version: Bluetooth 5.1, including mobile and other devices.
• Output Ports and Specifications:
• ◆1×3.5mm Audio Female: Stereo output for connecting speakers/amplifiers/headphones and other audio output devices ◆2xRCA Audio Female: Stereo output for connecting speakers/amplifiers/audio output devices and other audio output devices
• Blue indicator light
• Product power consumption: Operating current <70 mA
• Bluetooth versions A1: 5.0, A2/A3: 5.1
• Operating frequency: 2.400 GHz – 2.483 GHz
• Bluetooth protocols A2DP, AVRCP
• Decoding Method:
• A1 version:aptX LL/aptX/AAC/SBC
• A2/A3 version:aptX HD/aptX/AAC/SBC
• Delay Time:
• A1 version:aptX/AAC/SBC approximately 120ms, aptX LL approximately 40ms
• A2 version/A3 version: <200ms
• Transmission distance up to 10M
• Multi-point connection supports one-to-two functionality
• Power-on/Shut-off Operation: Power-on to power-on and power-off to power-off and power-off to power-off and power-off.
• Output Power/Voltage:
• A1 version: 28mW (load 16R@0dB, 1kHz)
• A2/A3 versions: >6mW (load 16R@0dB, 1kHz), no-load output of approximately 0.7Vrms
• Audio Sampling Rate:
• A1version:16bit/48KHz
• A2/A3 version:AAC/SBC:16bit/44.1KHz aptX:16bit/48KHz aptX HD:24bit/48KHz
• Response frequency:20-20 kHz
• Signal-to-noise ratio >90 dB (TYP: 94 dB, load 16R)
• Total harmonic distortion + noise (THD) <0.1% (TYP: 0.05%, load: 16R)
• Power Requirements
• 40759:Micro USB female,DC5±0.25V,>100mA
• 40759P:USB-C female,DC5±0.25V,>100mA
• Driver Installation: Driver-free
• Supported systems: Windows, Mac OS, Linux, Android, iOS
• Operating temperature: 0℃~45℃
• Storage temperature: -10℃ to 50℃
• Others:
• ◆With power isolation functionality
• ◆Does not support microphone calls
• ◆Double-click to enter mandatory pairing
• ◆ Voice Switch:
• A1 version: Does not support voice switching and defaults to Chinese.
• A2 Version: Supports voice switching: The default notice sound is English,. In pairing mode, triple-clicking the key triggers the switch language, and settings should be saved after power loss.
• A3 version: Does not support voice switching; defaults to English.
• ◆Timeout Status:
• In pairing mode, the pairing fails after 5 minutes and enters a timeout state;
• There are two scenarios: 1. If an ID has been saved, a return command is continuously issued;
• 2. If no ID has been saved, enter shutdown mode.