Thanks to its long standby time, HiFi sound, superb bass, and large capacity rechargeable battery, this mini speaker is a practical tool. With its stylish, compact, and portable design, this mini speaker supports connection with MP3 players, cell phones, and computers, allowing you to enjoy music anytime and anywhere. Made from plastic material, the product is durable and lightweight. The product dimensions are 5 cm x 5 cm x 3.5 cm. This speaker is suitable for use at home, in dorms, offices, schools, and other environments. Item Name: Mini Speaker Material: Plastic Output: 2.4W Rated Power: 2.2W Speaker: 36mm Micro Speaker, 4 Ohm Frequency Response: 200Hz - 20kHz Signal-to-Noise Ratio: >89dB Distortion: <1% Battery Voltage: 3.7V Battery Charging Voltage: 4.2V Charge Time: DC (2.5 hours), USB (4 hours) Features: Long standby time, fine workmanship, Hi-Fi sound Product Size: 5 cm x 5 cm x 3.5 cm / 1.97" x 1.97" x 1.38" (Approx.) Socket Size: 3.5mm / 0.14" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional differences may occur due to manual measurement. Package Includes: 1 x USB Power Cable 1 x Mini Speaker