HiFi Audio Stereo Decoder Earphone Amplifier Black

Specifications: It is delicate, compact, lightweight and portable so that it can be carried conveniently. The product adopts a rechargeable battery with 1600mAh capacity, which allows it to stay working long time. This earphone amplifier can improve your cellphone's sound quality, making it possible for you to enjoy HiFi stereo sound without distortion. Item Name: Earphone Amplifier Material: PC Output Power: >= 600mW + 600mW Adaptive Headphone Impedance: 16-600 Ohms Total Harmonic Distortion: = 120DB Frequency Response: 10-30KHz Input and Output: Standard 3.5mm Interface Using Time: about 5-9 Hours Charging Interface: Standard Micro USB 5V Battery: about 7.5W 4.2V 1600mAh (Included) Size: 110mm x 41mm x 11mm/4.33" x 1.61" x 0.43" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Earphone Amplifier