Bluetooth V4.1 wireless player?? long transmission distance up to 10 meters</br>Built in 1000mA high performance lithium ion battery?? can play a continuous 4-6 hours. Charging time 2 hours.Using CVC broadband noise reduction technology?? automatic recognize noise in the sound?? effectively reduce the noise in more than 60%?? the sound is more clear.Compatible with iPhone?? Android?? WP operating system</br>The bass is vigorous??High pitched passionate??Let the sound move you?? shook your soul.Restore Song God's concert scene??To give you the feeling of immersive.Bluetooth wireless transmission technology?? high-speed stability of anti interference.</br>TF Card Play Mode: Support memory card?? intelligent equipment?? AUX input. No matter in the suburb?? car?? the kitchen?? or the bathroom. it's very convenient. AUX Wire Connection: 3.5mm universal audio wire??can be connected to the computer??