Havit H616bt Vintage Bluetooth Headphones

Design style vintage over-ear headphones key features lightweight design, transparent mode bluetooth version v5.4 battery 400mah playtime 80 hours (60% volume) charging time 1.5 hours charging port usb type-c speaker drivers φ40mm × 2 wireless range 10 meters (no obstacles) audio codecs aac, sbc frequency range 20hz – 20khz sensitivity 108±3db impedance 32ω input power dc 5v/0.5a bluetooth profiles a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/l2cap