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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, Supports Google Assistant and Siri Voice Control.
BatteryLi-Ion - 3.7 V, 3000mAh
Operation duration4 hours
Charge time3-4 hours
AdapterUSB charging 5V / 2.0A 3.0A (not supplied)
Operating Power Consumption
Stand-by Power Consumption
ColorBlack
Package ContentsSpeaker, USB-Type C cable, AUX audio cable, Carrying strap, User manual, Warranty card
EAN13:4894187306200
Net weight, gr1762
Height, mm126
Width, mm283
Depth, mm
Type of packagingcardboard box
Packing height, mm
Packing width, mm
Packing depth, mm
Package gross weight, gr
Quantity of consumer packages, pcs6
ITF14:
Height of the box, cm45.2
Width of the box, cm31.4
Box depth, cm32
Box gross weight, kg
Net weight of the box, kg