Features:● Support: Bluetooth, FM radio, line in 
● Portable design, easy to carry
● Plug and play, no need to install
● Fashion design, perfect gift

Specifications:
● Bluetooth: 4.0
● Frequency range: 20Hz - 20KHz
● Play time: 8 hours
● Charging time: 2 hours
● Interface: 3.5mm audio port
● Operation distance: 10m
● Battery: 7.4V / 2000mAh
● Working voltage: 6V

NFC:
● If your smart phone supports NFC, use the smart phone near to the NFC place which shown on the speaker. The speaker will be turned on and paired automatically
● If you want to disconnect with the speaker, just near to the NFC place again

Hands free calling:
● Answer calls: Press the MFB to answer the incoming call with a prompt, call answer. The music will be paused during that time
● Reject calls: Press and hold the MFB for 2 seconds to reject the call with a prompt, call rejected
● End calls: During the call, short press the MFB to end a phone call with a prompt, call terminated
● Re-dial the last call number: Double click the MFB to redial the last number of the smart phone with a prompt, last number redial. The music will be paused during that time

EQ music:
● When playing the music, short press the EQ button to change the sound effect. Normal, Bass boost, high pitch, rock, jazz. Change in turn, and turn off the speaker to normal sound Channels: 2 (2.0)
Model Number: Z4
Special Feature: Mini,Portable,Wireless
Type: Active
Usage: Plug and play 1.089 Package weight: 1.141 kg
Product Size(L x W x H): 20.00 x 7.50 x 7.50 cm / 7.87 x 2.95 x 2.95 inches
Package Size(L x W x H): 23.00 x 11.00 x 11.00 cm / 9.06 x 4.33 x 4.33 inches Package Contents: 1 x Bluetooth Speaker, 1 USB Cable, 1 x 3.5mm Audio Cable, 1 x Bilingual User Mamual in English and Chinese