Havit SK832BT Wireless Bluetooth Speaker black 6939119066390. Design: . Product Color: Black. Product Type: Portable Stereo Speaker. RGB Backlight: Yes. Built-in On/Off Switch: Yes. Water Resistance: Yes. IP Rating: IPX6. Volume Control: Buttons. Power: . Battery Type: Built-in. Battery Operating Time: 8 h. Charging Time: 3.5 h. Battery Voltage: 3.7 V. Output Voltage: 5 V. Battery Capacity: 1800 mAh. Weight and Dimensions: . Product Weight: 641 g. Product Width: 102 mm. Product Height: 126 mm. Product Depth: 102 mm. Performance: . Application: Universal. Package Contents: . Package Contents: Speaker x 1. Audio: . True Wireless Stereo (TWS) technology: Yes. Volume Control: Yes. Output power (RMS): 10 W. Peak power: 15 W. Ports and interfaces: . Supported memory cards: External TF Memory Card. Connection method: Wireless. USB charging: Yes. Bluetooth: Yes. Number of USB ports: 1. Bluetooth version: 5.3. Bluetooth range: 10 m. Speakers: . Number of speakers: 1. Transducer diameter: 58 mm. Material: . Materials: Fabric, ABS. Safety warning: . Warnings: Do not expose to open flames or high temperatures., Keep out of reach of children., This product contains batteries that may be harmful to the environment. Please dispose of at appropriate collection points.