Multifunctional Mini portable FM Radio Bluetooth Speaker USB TF AUX Indoor Outdoor Retro-Design Wireless Speaker Function: With built-in high-performance and large-capacity battery, the speaker has low power consumption and long battery life for long listening time to music. Our speaker has Bluetooth-compatible playback, TF-Card playback, AUX playback and hands-free call functions, which is powerful and practical. It is made of high-quality abs and electronic components material. This speaker is suitable for outdoor, indoor, office, gym, car and travel, etc. Bluetooth , hands-free calling, TF-Card/USB playback, FM radio Bluetooth Version: 5.0 Battery capacity: 3.7V 400mAh Speaker: 4 5W 45MM Effective distance: 10M Playing time: 2-5 hours Charging time: 2H Response frequency range: 50HZ-18KHZ Input/Output: DC5V 1A / DC3.7V 5W Material: ABS+UV plating Product size : 125*75*59MM Weight W/box: 263g packing list: Manual*1 Tpye-c charging cable*1 Audio cable*1