Sunjoy Tech Mini Speaker System Portable Plug in Speaker with 3 5mm Aux Audio Input External Speaker Amplifier for Laptop Computer MP3 Cell Phone

Specifications:
Compatible with most devices that may utilize headphones.
LED power indicator for power on and charging.
360-degree sound field intergrates a cone design with a custom-built speaker to project sound in all directions.
With 1.4 subwoofer, the vacuum base offers deep and rich sound with HI-FI result.
Pioneering patented technology: extendable resonance of the bass box technology enables stronger effect.
New concept integrative portable mini speaker, with small bulk can play on the center of the palm.
Embedded type lithium batteries, can use USB or power adapter for charging.
Built in, rechargeable lithium battery each charge can last for 3 - 5 hours.

Type: Speaker Amplifier
Output: 2.4W
Rating Power: 2.2W
Speaker: 36mm Micro Speaker, 4Ohm
Frequency Response: 200Hz - 20k (Hz)
Singal-to-Noise: >89db
Distortion: <0.5%
Battery Voltage: 3.7V
Battery Charging Voltage: 4.2V
Charge Time: DC (2.5Hours), USB (4Hours)
Size (W x L x H): 50mm x 50mm x 35mm/1.97'' x 1.97'' x 1.38'' (Approx.)
Socket Size: 3.5mm/0.14" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x USB Power Input Cable
1 x Mini Speaker