Havit SK889BT - bluetooth RGB wireless speaker, black

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