Bluetooth 5.0: Longer Bluetooth connection distance (up to 10 meters) and more stable connection with the latest version of Bluetooth 5.0. Retro look: cute and retro radio design that grabs attention and makes you sea. Memory card and bluetooth function: Support bluetooth connection and small TF memory card. This allows you to store a lot of music. Connect to computer: The USB cable we provide can connect the sound and the computer. Very practical This speaker is equipped with premium 900mAh rechargeable battery, not only to ensure long playing time, but also lightweight, perfect for hiking, jogging, climbing, running. Color: 1green Specification: Type of use: Bluetooth5.0 Frequency response: 100 Hz-20 KHz Operating distance: up to 33ft (10m) Battery capacity: 900mAh Microphone: Integrated Charging time: about 4 hours Reading time: up to 5-10 hours Support inserting TF card The package includes: 1x Bluetooth speaker 1x USB charging cable 1x user manual Working range: up to 33 feet Demension: 75 * 75 * 35mm / 2.95x2.95x1.37 inch Weight: 250g Don't be blinded by its small size. Treble, midrange and bass can be reproduced with the high-end full-range speaker. Multimode connection Support wireless bluetooth connection and TF card insertion.