Havit SK889BT - bluetooth RGB wireless speaker, black

USB ports quantity: 1 | Number of speakers: 1 | Height: 138 mm | Compatible memory cards: External TF Memory Card | Battery life (max): 6 h | Product type: Stereo portable speaker | Battery capacity: 1500 mAh | Depth: 100 mm | Audio formats supported: MP3 | True Wireless Stereo (TWS) technology: Yes | Connectivity technology: Wireless | Width: 100 mm | RMS rated power: 7 W | Bluetooth: Yes | Battery recharge time: 4 h | Battery voltage: 3.7 V | Volume control: Buttons | Volume control: Yes | Battery type: Built-in battery | On/off switch: Yes | Recommended usage: Universal | Product colour: Black | Power indication light: Yes | Bluetooth version: 5.3 | Material: ABS, PC | Output voltage: 5 V | USB charging: Yes | Water resistance: No | Built-in microphone: No | Bluetooth range: 10 m | RGB backlighting: Yes | Package contents: Speaker x 1 | Driver diameter: 57 mm | Package contents: USB Cable | Warnings: Do not expose to open flames or high temperatures.