Price and specifications
Remax RB-M21 portable speaker

Bluetooth Yes
FM radio No
Output Power 7 W
Impedance 4 Ω
Play Time 8 h
Battery capacity 2 200 mAh

Portable speakers Remax RB-M21

Release Date2018
Availability On sale
Brand Remax
Model RB-M21



Color Black, Blue, Blue, White, Red
Construction Metal
Bluetooth Yes
Bluetooth version 4.2
Battery capacity 2200 mAh
Charging time 2 h
Play Time 8 h
Wi-Fi No


Output Power 7 W
Impedance 4 Ω (Ohm)
Max. loudness 76 Db
Number of Speakers 2

Ports and Interfaces

Micro SD Card Slot Yes
Headset, 3.5mm plug Yes
AUX function Yes
USB type Yes


Telemetry Yes
LCD Screen No
Waterproof Yes
FM radio No
Microphone Yes
Hands-free calls Yes


Length 8.9 cm
Width 8.9 cm
Height 10.6 cm
Weight 348 g

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