UGREEN Bluetooth 5.1 Receiver Audio Adapter APTX with Mic

Mô tả

• input port and specifications:
• ◆1 Micro USB Female: Used to power the product, specifications: DC5±0.25V, >200mA
• ◆1 Bluetooth Input: A0 version: Bluetooth 5.0; A1 version: Bluetooth 5.1, connecting Bluetooth transmitter devices such as smartphones/computers
• Output Ports and Specifications:
• ◆1×3.5mm Audio Female: Stereo output for connecting speakers, amplifiers, headphones, and other audio output devices
• Indicator Light Description: Blue Indicator Light
• Product Power Consumption A1 Version: Operating Current < 30 mA (3.3V)
• Bluetooth version A0: 5.0; A1: 5.1
• Operating frequency: 2.400 GHz – 2.4835 GHz
• Bluetooth protocols AVRCP, A2DP, HFP, HSP
• Decoding methods: A0 version: aptX LL/aptX/AAC/SBC; A1 version: aptX HD/aptX/AAC/SBC
• Delay Time: A0 version: aptX LL < 60ms, aptX/AAC/SBC < 200ms; A1 version: <200ms
• Transmission distance up to 10M
• Multi-point connection supports one-to-two functionality
• 14 Power-on/Shut-off Operations:
• Power-on: Power-on auto-power-on/press the multifunction key for 3 seconds to power-on
• Shutdown: Automatic shutdown after 5 minutes with no connection / Hold down the multifunction key for 3 seconds to turn on
• Output Power/Voltage:
• A0 version: Approximately 28mW (load 16R@0dB, 1kHz), with no-load output of about 0.7Vrms
• A1 version: Approximately 5mW (load 16R@0dB, 1kHz), with no-load output of about 0.7Vrms
• Audio Sampling Rate
• A0 version: Microphone: 16-bit/8kHz, Audio: 16-bit/48kHz
• A1 version:Microphone:16bit/8KHZ,Audio:AAC/SBC:16bit/44.1KHz aptX:16bit/48KHz aptX HD:24bit/48KHz
• Microphone Sensitivity: A0 version: ±38 dB; A1 version: -42 dB
• Response frequency:20-20 kHz
• Signal-to-noise ratio >90 dB (TYP: 94 dB, load 16R)
• Total harmonic distortion + noise (THD) <0.1% (TYP: 0.06%, load 16R)
• Power requirements: USB-A male, DC 5±0.25V, >100mA
• Battery capacity: 200mAh, 3.7V (740mWh)
• Usage time: 10 hours
• Charging time: 2 hours
• Driver Installation:Driver-free
• Supported systems: Windows, Mac OS, Android, iOS
• Operating temperature: 0℃~45℃
• Storage temperature: -10℃ to 50℃
• Others:
• ◆With power isolation functionality
• ◆Double-click to enter mandatory pairing
• ◆A0 Version: Does not support voice switching:
• A1 Version: Supports voice switching: The default prompt sound is an English prompt sound. In pairing mode, triple-clicking the key triggers the switch to the prompt sound language, and it can be switched when powered off.