Havit SK838BT - bluetooth wireless speaker, blue

Bluetooth: Yes | Package contents: Speaker x 1 | Bluetooth version: 5.0 | Depth: 49 mm | Material: ABS | Battery voltage: 3.7 V | Weight: 276.5 g | Recommended usage: Universal | Battery type: Built-in battery | On/off switch: Yes | True Wireless Stereo (TWS) technology: Yes | AUX in: Yes | Number of speakers: 1 | Product type: Stereo portable speaker | Height: 94 mm | Width: 94 mm | Product colour: Black | Built-in microphone: No | Bluetooth range: 10 m | Compatible memory cards: MicroSD (TransFlash) | International Protection (IP) code: IPX5 | Battery capacity: 1800 mAh | Warnings: Do not expose to open flames or high temperatures. | Battery recharge time: 4 h | Water resistance: Yes | RMS rated power: 5 W | Connectivity technology: Wired & Wireless | Volume control: Buttons | Voice assistant: Yes