The Galaxy Audio AS-900RN1 Stereo Receiver, operating at 514.4MHz, is a great choice for audio enthusiasts. It features an 80mw headphone amplifier with a standard 3.5mm (1/8”) headphone output, delivering ample volume for all settings. A built - in limiter adds convenience. Powered by 2 AA batteries, it offers up to 5 hours of usage with alkaline batteries. It also comes with lightweight titanium driver EB4 Earbuds. Key Features: 80mw headphone amp and 3.5mm output, sufficient volume, built - in limiter, 5 - hour battery life with alkaline batteries, and lightweight EB4 Earbuds. Technical Specifications: Audio Output Level - 80mW Earphone Out with Volume Control; Sensitivity - -94dBm for 30dB; Stereo Separation - 40dB (at 1kHz); Output Connector - 1/8” (3.5 mm) Stereo Earphone Connector; Dimensions - 3.74” x 2.6” x 1” (95 x 65 x 25 mm) (HxWxD); Weight - 3.2oz (90 g) without batteries; Power Requirements - 2 “AA” size alkaline or rechargeable batteries; Battery Life - About 5 hours (alkaline).

Using the Galaxy Audio AS - 900RN1 Stereo Receiver is easy. First, insert 2 AA batteries into the receiver. You can use either alkaline or rechargeable ones. Once the batteries are in, turn on the receiver. Connect your headphones to the 3.5mm output. Adjust the volume to your preference using the volume control. You're all set to enjoy your audio. When it comes to battery life, keep in mind that alkaline batteries give you about 5 hours of use. If you're using rechargeable batteries, the usage time might vary. For maintenance, keep the receiver clean. Wipe it gently with a dry cloth. Avoid exposing it to water or extreme temperatures. When not in use, store it in a cool, dry place. And don't forget to remove the batteries if you won't be using the receiver for a long time to prevent battery leakage.