Multifunctional Mini Portable FM Radio Bluetooth Speaker USB TF AUX Indoor Outdoor Retro-Design Wireless Speaker Function: Features a built-in high-performance, large-capacity battery with low power consumption and long battery life for extended music playback. Supports Bluetooth playback, TF card playback, AUX input, and hands-free calling, offering versatile and practical functionality. Constructed from high-quality ABS material and electronic components. Ideal for use indoors and outdoors, including in offices, gyms, cars, and during travel. Bluetooth version: 5.0 Battery capacity: 3.7V 400mAh Speaker output: 5W 45mm Effective wireless range: 10 meters Playback time: 25 hours Charging time: 2 hours Frequency response range: 50Hz18kHz Input/output: DC5V 1A / DC3.7V 5W Material: ABS + UV plating Product dimensions: 125 x 75 x 59 mm Weight with box: 263g Package includes: User manual x1 Type-C charging cable x1 Audio cable x1