[MINI SIZE & LOUD VOLUME] 9.5 cm x 7 cm x 5 cm retro Bluetooth speaker, small enough to be held in one hand. This compact and stylish speaker delivers clear, loud sound without distortion. Its space-saving design fits easily on a desk and is portable enough to carry in a bag or pocket. Enjoy music outdoors during camping, hiking, biking, or at the beach. [WIRELESS CONNECTION & HANDS-FREE CALLS] Equipped with Bluetooth wireless technology and a built-in microphone, this speaker allows quick pairing with smart devices in seconds. Make and receive hands-free calls conveniently, whether at home, traveling, or on the go. [RETRO DESIGN & ELEGANT STYLE] Featuring a vintage-inspired look with a smooth blue finish, this speaker blends classic aesthetics with modern functionality. Its timeless design stands out and complements any personal style. [MULTIFUNCTIONAL USE] Volume can be adjusted by rotating the control knob. Supports Bluetooth (up to 33 feet range), USB drive, TF card, and AUX input (compatible with standard 3.5mm audio cables up to 2 meters). Charge the speaker using the included USB cable. Specifications: Product Name: Retro Bluetooth Speaker Play Time: 2-3 hours Speaker Output: 3W Frequency Response: 50 Hz - 20 kHz Battery: 3.7V 400mAh Bluetooth Range: 10 meters Net Weight: 190g Gross Weight: 230g Charging Time: 2-3 hours Product Dimensions: 9.5 x 7 x 5 cm Supported Functions: Bluetooth, USB, TF Card, AUX Input Bluetooth Version: 4.1