For sale / Wireless Earbuds Prasonx PX-80. Bluetooth Version: V5.3 Transmission Range: 10 meters Frequency Response: 20Hz - 20KHz Charging Voltage: DC5V 500mA Playback time: about 5 hours Battery Capacity: 320mAh Location: Mahayil Asir New, unused Price: To be determined by bidding I hope only serious buyers will contact me I do not permit wasting my time.