XTREEM3 mini war drum third generation wireless bluetooth speaker portable shoulder strap outdoor subwoofer audio

Power mode: lithium battery Frequency response range: 40Hz-20KHz Built-in battery capacity: 1200mAh-2000mAh Connection method: Bluetooth connection Rated voltage: 3.7 Additional features: card insertion, voice prompt, call function Bluetooth version: 5.0 Number of speakers: 2 Item number: The third generation of war drums Applicable scenarios: desktop, outdoor, home, mobile, live broadcast, outdoor lawn Appearance size: 230 * 105 * 105 Rated power: 10 Whether it has a built-in battery: built-in battery Box material: ABS + cloth net + plastic Waterproof grade: not waterproof Effective distance: 10 meters Signal to noise ratio: ≥ 70dB