Features 1、MULTI FUNCTIONAL: Portable retro speaker, support Bluetooth transmission, U disk, Memory Card, AUX (connect to MP3, MP4 player, smart phone, PC) to play music. Easy to enjoy stereo sound for music lovers. 2、LONG BATTERY LIFE: Bluetooth speaker has built in 1800mAh battery, rechargeable and environmentally friendly, providing 8 hours of battery life, ensuring you can enjoy your favorite music and radio stations for a long time. 3、CLEAR SOUND: The radio speaker built in powerful DSP chip and antenna provide excellent reception, allowing you to experience clear sound. Stations can be easily selected, making it convenient to find your favorite FM channels. 4、POWERFUL: This wireless speaker is compact but with high power, the 5W speaker delivers powerful sound quality. Allows you to enjoy rich and immersive sound, transforming your room into a charming listening environment. 5、RETRO DESIGN: The small FM radio wireless speaker with charming and versatile design incorporates classic aesthetics, making it a delightful addition to your sound collection. Perfect for living rooms, bedrooms, parties, etc. Specification Item Type: BT Speaker Material: Plastic, Electronics BT Version: 5.1 Speaker Power: 3Ω x 5W Rated Power: 5W x 2 Noise Ratio: 80DB Frequency Response: 100HZ-18KHZ BT Protocol: HSP HFP A2DP AVRCP BT Receiving Distance: Approx. 8-10m / 26.2-32.8ft (No Obstacles) Memory Card Slot: Maximum Support for 32GB Memory Card (Not Included) Battery Type: Built in 1800mAh Lithium Battery (Included) Package List 1 x BT Speaker 1 x Sound Cable 1 x Charging Cable 1 x Instruction Manual