Features:

-Portable outdoor speaker with high quality sound and silicone shell

-Wrist strap design for portability

-Rechargeable battery and USB powered

-Waterproof, Shockproof and Dust-proof design

-Built-in microphone

-Support TF card and FM radio

Specifications:

Amplifier:

• -Output power: 7 Watt
• -Output power: 3.5 x 2 Watt RMS
• -Harmonic distortion: < 1% (1W 1 kHz)
• -Frequency response: 90Hz-20kHz
• -Signal/Noise ratio: > 80dB
• -Separation: > 60dB
• -Input: Bluetooth 4.0, TF card, 3.5mm stereo cable
• -Dimension: 190 x 49 mm

Speakers:

• -Speaker: 1.5"
• -Impedance: 4 Ohm
• 
  

Power:

• -Lithium battery: 1200mA
• -Charge power: DC5V-500mA (USB cable)

In the Box

• -D22 speaker x 1
• -Stereo cable x 1
• -Charge cable x 1
• -User manual x 1