mpow 059 bluetooth headphones, upgrade 65h playtime bluetooth 5.0 headphones over ear, hifi sound, built-in microphone, memory-protein earmuffs, wireless wired headset, for home office, pc, phone, tv mpow specification: bluetooth version: 4.1 range: 33 feet (10 meters) music/talking time: 20-25 hours charging time: 4 hours charging voltage: 5v battery capacity: 420mah packing list: 1x mpow 059 bluetooth headset 1x 3.5mm audio cable 1x usb charging cable 1x packing bag 1x user manual