Technical Characteristics:
Amplifier
Output power: 7 W
Power distribution: 3.5 W x 2
Harmonic distortion: < 1 % 1 W 1 kHz
Frequency response: 90 Hz - 20 kHz
Signal/noise ratio: > 80 dB
Channel separation: > 60 dB
Speakers
Type of wideband speaker: 1.5 inches
Impedance: 4 Ohm
Interfaces
Input: BluetoothR 4.0, Micro SD-card
Power
Lithium battery: 3.7 V 1200 mA
Charge: USB cable
Package Contents
D21 satellite speaker: 1 pc.
USB-MicroUSB cable: 1 pc.
User's Manual: 1 pc.
Dimensions
Size of the audio system: 190 x 49 mm
Net weight of the unit: 0.242 kg