High Quality bass and stereo iOS and Android compatible Support both Bluetooth and NFC Microphone embedded compatible, act as microphone and loud speaker for phone calls. MicroSD/TF memory card slot Bluetooth Range: 10 meters Output: 3W Battery: 800mAh Frequency Response: 82Hz~20KHz Bluetooth version: 4.0+EDR Standby Time: 40 hours Playback Time: 3~4 hours Gift Accessories: Velvet bag, Audio cable, USB cable and user manual. MOQ 2000