This is a versatile sound design mobile power, with wireless Bluetooth feature that allows you to enjoy music, when you can have run out of battery when charging treasure use, easy to carry, you can also use it as a phone holder. It is outdoor riding, travel, tourism, a good partner.

Universal mobile phone charging 99%

Color：Black/White/Red/Blue/Green/Yellow

Technical Parameters:

Charging Voltage: 5V
Charging current: 800mA
Operating voltage: 3.5V-4.2V
Power: 2W
Battery capacity: 4000MAH
Output conversion rate: 80%
Charging time: 8-10 hours
Product size: 29 * 29 * 137 mm
Suitable Type: Mobile / MP3 / MP4 / PSP / NDS
Audio input: phone / MP3 / MP4
Distortion: 2% THD

Bluetooth standard: bluetooth 4.0
Bluetooth transmitter frequency: 2.4-2.48GHZ
Working time:> 24 hours
Frequency Response: 100HZ-20HZ
Distance: 10 m linear no interval
Operating temperature: -10 ℃ -50 ℃
Charging Input: USB 5V