New Rixing NR4017 Portable 10W Stereo Surround Soundbar Bluetooth Speaker with Microphone Feature: 1.AUX audio input 3.5mm audio input jack cambe easily connected to these audio source such as pc,iphone,MP3,MP4.phone and so on 2.Mini USB data transmission Mini USB can insert TF card for data transmission and connect to this port on the computer to play music,charge or USB charger can be charge directly 3.The built-in battery The built-in battery can be recharged repeatedly and supports the maximum volum play four hours 4.TF card music playing Built-in intelligent TF decoding can play the MP3.WMA.WAV format music in the card stored previoudly 5.Function highly intergrated In addition to wireless bluetooth, the Speaker has been highly intergrated; hands-free answering phones,enquiry line,TF card player,AUX input. 6.Manipulate simple and easy to use Control buttons are designed in the middle or back of the body. 7.Delicate and moving sound quality Speacifications: Power:4Ohm 5w*2 Chip:Bluetooth 5.0 Speaker diameter: 52mm frequency response: 100Hz-18KHz FM broadcast band: 87MHz-108MHz snr:85db Sensitivity:70dB Working time:6 hours Battery:1800mah Battery Type: 18650 Lithium ion battery Battery Voltage: 3.7 V Input mode:bluetoothaux in 3.5mmUSBTF Product Size: 44.6*7*7.4Cm Packing size: 47.3*8*7.7CM Product Weight: 905g Package weight: 1240g MEAS ：50.8*44*52.2CM QTY： 30PCS N.W：37.5KG G.W：39KG Package Content: 1 * Bluetooth Speaker 1 * USB Charging Cable 1 * Audio Line 1* User Manual