Sell MS SD05 Portable Mini 3.5mm Headphone Earphone Headset HiFi Stereo Audio Amplifier best price

Specifications: It is delicate, compact, lightweight, and portable so that it can be carried conveniently. It is specially designed for mobile phones, but also can be used to car audio, outdoor speaker and so on. It adopts a rechargeable lithium battery with 200mAh capacity, which allows it to stay working long time. Can improve your smartphone sound quality, making it possible for you to enjoy HD clear pure stereo sound without distortion. Noise reduction function, and distortion with enhanced dynamics, perfect pure stereo effect, HD voice music sound quality optimization. 3.5mm AUX input and output, make it possible to output not just louder sound, but also sharper and more real stereo sound without distortion. Item Name: Headphone Amplifier Material: Metal Output Power: Max. 300mw*2/16Ω Frequency Response: 2~27 KHZ Signal to Noise Ratio: 95dB Dynamic Range: 90dB Separation: 70dB Distortion: ≤0.006% Input Impedance: 32Ω Output Impedance: ≤ 200Ω Operating Temperature: -40~60 Degree Celsius Storage Temperature: -40~85 Degree Celsius Storage Humidity: 10%~90% Battery: Built-in 200mAh Lithium Battery(Charging by Micro USB Cable) Battery Endurance: About 30 Hours Battery Protection: Yes Over-current Protection: Yes Over-voltage Protection: Yes Short Circuit Protection: Yes Size: 67mm x 25mm x 10mm/2.64" x 0.98" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Audio Amplifier 1 x Charging Cable 1 x User Manual