BT speaker 554

Box material: Plastic
Power supply mode USB
Waterproof grade: not waterproof
Built in battery capacity of 800mAh to 1000mAh (inclusive)
Connection method: Bluetooth connection
Is there a built-in battery
Applicable scenarios include home, mobile and portable, outdoor lawns, and others
Listing date 2021
Frequency response range 100HZ-20KHZ
Signal to noise ratio ≥ 95dB
Number of speakers Other
Effective distance of 10 meters
Exterior dimensions 61 * 150 * 44mm
Bluetooth version 5.0
Rated power 3
Rated voltage 3.7
Speaker type: Outdoor speaker
Additional function card insertion