Havit SK838BT - bluetooth wireless speaker, blue

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