Feature: 1. Powerful Stereo Sound: Despite its compact size, this BT speaker features dual stereo speakers for balanced, full bodied sound that fills every corner of your home with clear and undistorted sound. 2. Multiple Playback Options: Enjoy lossless sound quality with BT, memory card, USB, and AUX playback options, ensuring a seamless and versatile listening experience for all your media sources. 3. Exquisite Acoustic Experience: Immerse yourself in the rich and detailed sound produced by the integrated dual speakers, creating a lifelike auditory experience that draws you into the music. 4. BT Connectivity: Utilizing BT 5.1 wireless technology, this speaker pairs instantly with your smart devices for smoothly and uninterrupted sound playback without any lag or delays. 5. Enhanced FM Radio Function: Equipped with a high sensitivity FM radio antenna, this speaker delivers stable and easy to use radio reception, complete with an auto search feature for effortless tuning. Specification: Item Type: Retro BT Speaker Material: ABS Built in Li Battery: 1200mAh (shipped with built in battery) Memory Card: Maximum support 32G (not included) Voltage: 3.7V BT: 5.1 . Package List: 1 x Speaker 1 x Charging Cable 1 x Sound Cable 1 x User Manual 1 x Receiver Stick