The portable speaker features a frequency range in between 90Hz to 20KHz. It is equipped with a rechargeable lithium battery. This portable speaker is compatible with a wide range of electronic gadgets such as MP3 players, laptops, desktop computers, etc.

• Output power: RMS 3W x 2.
• SNR: 80db.
• Material: plastic.
• Built-in: FM radio, SD/TF card, slot USB decoder, etc.