Retro Bluetooth Speaker DW21 Classical Retro Music Player Sound Stereo Portable Decoration Mini Speakers Travel Music Player

Parameter specifications:

Model: DW21 
Bluetooth version: Jerry 5.0
Battery capacity: 3.7V 500mAh
SPEAKER: 4Ω 3W 45MM
Effective distance: ≤10M
Duration: 3-8 hours
Charging time: ≤2H
FREQUENCY RANGE: 50HZ-18KHZ
Signal-to-noise ratio: ≥80dB
Functions: Bluetooth, hands-free call, TF card playback, U disk playback, TWS, FM
Input/output: DC5V 1A
Material: ABS UV plating