SHIDU F9 Wireless Bluetooth Speaker (15W, Bluetooth 5.3, 4400mAh)

Output Power: 15W | Model: F9 | Bluetooth Version: 5.3 | Battery Capacity: 3.7V 4400mAh | Charging Voltage: 5V 1.5A | Frequency Response: 40Hz–18KHz | Trumpet: 400Ω 16-Core Dual Magnetic Rubber-Rim Speakers × 2 | Working Temperature: −10°C to 45°C | Case Material: ABS Raw Material | Size: 110×110×110mm | Weight: 496g | Interface Function: TF Card / AUX Audio Interface / USB / OUT / TYPE-C Charging Port