Features:● Support Bluetooth， USB， TF card ( up to 16G， card not included ) ， line in
● Support MP3， WAV， WMA， FLAC format
● 3.5mm line-in jack for wired devices
● Power bank function， can charge your cellphone when emergency
● High water resistance level: Class six
● One-button hands-free speakerphone， easy to answer your phone
● Detachable cover which is made of silica gel gives it the function of drop resistance
● Plug and play， no need to install driver
● Can be hung up by the hook on it， or hung up on your bag by the metal clasp
● Portable design makes it easy to carry
● Built-in microphone for phone calls

Specifications:
● Bluetooth: 2.1
● Power: Built-in 4000mAh lithium battery， external USB 5V supply
● Frequency range: 80Hz - 18KHz
● Play time: 6 - 8 hours
● Charging time: 1.5 hours
● Signal to noise ratio: 80dB and more
● Sensitivity rate: 80dB Channels: 2 (2.0)
Model Number: A6
Special Feature: Mini，Portable，Wireless
Type: Active
Usage: Plug and play Package weight: 0.650 kg
Product Size(L x W x H): 17.50 x 6.50 x 6.50 cm / 6.89 x 2.56 x 2.56 inches
Package Size(L x W x H): 24.50 x 9.00 x 8.00 cm / 9.65 x 3.54 x 3.15 inches Package Contents: 1 x Bluetooth Speaker， 1 x USB Cable， 1 x Metal Clasp， 1 x Bilingual User Manual in English and Chinese