Description: Using large-capacity battery, this wireless speaker features long endurance. This wireless speaker uses suction up design, which is easy and convenient to install. This wireless speaker supports music play, hands-free calling and voice call, which is multifunctional and practical. It is constructed of plastic material, which is waterproof and dust-proof. The length of this product is 8.5cm, width is 8.5cm and height is 5.5cm. It is lightweight and portable, which can be carried with you easily. This wireless speaker is suitable for home, car, office and outdoor. Item Name: Wireless Speaker Material: Plastic Bluetooth-compatible Version: 3.0+EDR Connection Method: Bluetooth-compatible Connection Use Time: 1-3H Battery Capacity: 400mAh(Included) Waterproof Level: IPX4 Interface Type: USB Frequency Response Range: 100Hz-20KHz Signal-to-noise Ratio: ≥75dB Channels: 2 Effective Distance: 10m Features: High Fidelity, Subwoofer, HD-compatible Calling Size Details: 8.5cm x 8.5cm x 5.5cm/3.35" x 3.35" x 2.17" (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 Wireless Speaker 1 x Charging Cable 1 x User Manual Using large-capacity battery, this wireless speaker features long endurance. This wireless speaker uses suction up design, which is easy and convenient to install. This wireless speaker supports music play, hands-free calling and voice call, which is multifunctional and practical. It is constructed of plastic material, which is waterproof and dust-proof. The length of this product is 8.5cm, width is 8.5cm and height is 5.5cm. It is lightweight and portable, which can be carried with you easily. This wireless speaker is suitable for home, car, office and outdoor.