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Full Comparison

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Bluetooth Speakers:GM-903B
Power, W2 x 12
Frequency response100 Hz - 20 kHz
Audio SourcesBluetooth, USB-flash, AUX - 3.5mm, FM-radio
Signal / noise ratio> 72 dB
Number of channels
Device typeBluetooth portable speaker with FM-radio
Speaker2 x 3 inches (7.62 cm), 4 Ohm
Subwoofer
BluetoothV4.2 + BR
USB 
microUSB
Wi-Fi Direct
Composite Output
NFC
Number of Audio Input
Headphone jack
Built-in MP3 playerUSB-flash / AUX-in
Support for HandsfreeYes
Screen
FM radio87.5-108 MHg
Alarm clock
AdditionallyTWS mode, Dynamic RGB backlight, IPX6 waterproof housing
BatteryLi-Ion - 3,7 V, 3000mAh
Operation duration4 hours
Charge time3-4 hours
AdaptermicroUSB charging 5V / 1.0 A (not supplied)
Operating Power Consumption
Stand-by Power Consumption
ColorBlack
Package ContentsSpeaker, USB-microUSB cable, AUX audio cable, Carrying strap, User manual, Warranty card
Length, mm
Width, mm
Height, mm
Weight, gr1740
Type of packagingcardboard box
Unit number per packing1
Length of package, cm
Width of package, cm
Height of package, cm
Weight of package, gr
EAN13:4894187306200
Quantity of consumer packages, pcs6
Length of the box, cm32
Width of the box, cm31.4
Height of the box, cm45.2
Gross Weight, kg12.9
Net Weight, kg12.3
ITF14: