Specifications:
<br />It supports audio input audio equipment, wireless audio transmission.
<br />Built-AEC echo cancellation and noise cancellation circuit ANC, gorgeous stereo sound more pure.
<br />Built-in enhanced signal transmission circuit connected faster and more stable tone continues.
<br />Compatible with lossless audio formats.
<br />Support AUX OUT.
<br />Automatic memory connectivity, operating more simple, more convenient connection.
<br />Built-in battery, long life time.
<br />Bluetooth 4.1, low power consumption.
<br />Live voice prompts, simple and clear.
<br />For smart compatible, for Android, IOS phone system and PAD, and all Bluetooth audio devices.
<br />Simultaneously connect two phones.
<br />mini Bluetooth 4.1 audio receiver A2DP wireless adapter for home audio music streaming sound system &amp; Bluetooth car kits with 3.5 mm stereo output for smartphones &amp; tablets.
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<br />Type: Hifi Receiver
<br />Main Color: Black
<br />Bluetooth Version: 4.1
<br />Compatibility: for Android System, Mobile Phone or Tablet, IOS System, and all Bluetooth Audio Devices
<br />Transmission Distance: &gt; 20M (Open Area)
<br />Operating Current: 18-28MA
<br />Battery Standard: 300MA
<br />Working Hours: 8-10H
<br />Charging Time: 3H
<br />Output Connections: 3.5mm Stereo Jack
<br />Size: 110mm x 62mm x 18mm/4.33&quot; x 2.44&quot; x 0.71&quot; (Approx.)
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<br />Notes:
<br />Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
<br />Please allow slight dimension difference due to different manual measurement.
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<br />Package Includes: 
<br />1 x Audio Receiver
<br />1 x USB Charging Cable
<br />1 x 3.5mm Audio Cable
<br />1 x Audio Adapter Cable
<br />1 x User Manual