Havit Neckband

The havit e529bt neckband bluetooth wireless earphone equipped with 10mm speaker, bluetooth version of v5.0, type-c port, about 0.8h charging time. it has 96±3 db speaker sensitivity, 32?±15% impedance with 20hz~20khz speaker frequency. it also has 10m wireless working range, dc 5v/1a input voltage with 250mah battery. it supported: hfp,hsp,a2dp,?avrcp. the havit e529bt neckband bluetooth wireless earphone comes with a 01-year warranty. details type: wireless connectivity: bluetooth color: black connector bluetooth: v5.0 power output battery: 250mah special features impedance32?±15% 1khz sound level/sensitivity96±3 db 1khz/1mwfrequency20hz20khz durationplay time: about 14h (60% volume) talk time: 13h charging time: about 0.8h