Havit SK889BT - bluetooth RGB wireless speaker, black

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