Features:
100% brand new and high quality.
Lightweight and portable
Dual speaker design
Built in rechargeable 4000mAh lithium polymer battery
Can also be a power bank
Support standard USB/DC， TF card
Digital power amplifier
Compatible with cellphone， PC and devices with Bluetooth function
Great for house， office， car and outdoor use and so on

Usage:
The wireless connection，short press power button，the blue light will flashing.After about 5 seconds，red and blue lights flashing，the device ready to pair

Play via computer:
Activate computer\'s wireless(if the computer does not have built-in BT，plug on a BT adapter，also need extra BT driver.Turn speaker to paring mode(Blue light flashing quickly).Searching"JL BT".Paring.Connect and play.

Play via phone:
Activate phone\'s wireless.Search"JL BT".Paring.Connect and play.

Specifications:
Wireless version:V3.0
Wireless transmission power:CLASS2-4dBm
Wireless working frequency:2.4GHz
Charging time:5 hours
Battery capacity:4000mah
Wireless range:10-20m
Power bank output: DC5V/1A
Working voltage: DC 3.7V
Material: Silicon
Colors: Black， Red， Blue
Size: approx. 12.5*4.5cm(L*D)
Net weight: 195g

Package Includes:
1x Bluetooth Speaker
1x USB Charge Cable
1x 3.5mm Audio Cable