bluetooth v5.0 f9 tws headset hifi stereo earplugs led display touch control power bank wireless headset hd call automatic pairing

features 1, 5.0 upgrade bluetooth chip, barrier-connection within 10 meters 2, 10mm dynamic speaker, graphene bass diaphragm, 8d surround stereo sound experience 3. the headset can be used as a mobile phone holder when placed in the reverse direction 4. large-capacity charging compartment for the maximum number of charging of the headset 20 times 5. cvc8.0 and dsp dual noise reduction technology, clearer calls 6. strong compatibility, almost barrier-for android, ios and windows