BRUNO Bruno Volume Knob IPX4 with Suitable for Matcha Speaker, Compact, Waterproof, Bluetooth, Waterproof, Magnet, Refrigerators, Bathrooms, Outdoors,

[Country of Origin]: Made in China [Measurements]: Size: W61 x H50 x D61mm / Weight: 68g Features: Input: DC5V 210mA (USB rechargeable), Output: 3W, Charging time: Approximately 2 hours, Continuous use time: Approximately 2-8 hours (varies depending on usage) Speaker, Bluetooth® connection (version 5.0; gradually upgraded to Bluetooth version 5.3 from late June 2025), effective distance: approximately 10m, IPX4 waterproof, TWS, hands-free calling Power supply: Lithium-ion battery 3.7V 230mAh