Brand: PTron Color: Gold Connectivity: Bluetooth v4.2 (Chipset JIELIAC6902) Transmission Range: Up to 10m from the paired device Speaker Driver : Stereo, 40mm, 4 ohm, 3Wx2 = 6W Speaker Sensitivity: 40mm/4Ω/3W SNR : >80 dB Frequency Response: 20Hz-20KHz Signal-to-Noise Ratio: >80dB Distortion Factor : <1% Battery: 1400mAh Built-in rechargeable lithium-ion Playback Time: Up to 12 hours wired and 10 hours with bluetooth connection depending on the volume level Charging Time: 2.5 – 3.5 hours Operating Range : 3.7 V Charging Power: USB5V 500/1000mA Size: 185mm*58mm*61mm Package Includes: 1x Speaker 1x Manual 1x Charging cable 1x Aux cable Premium quality crystal clear stereo sound360 degree surround sound with subwoofer effectTrendy, lightweight and portable designFast bluetooth connectivityBuilt-in microphone to answer calls & voice promptComes with 3.5mm Aux input interface & TF card slot