This works great for keeping warm and having nice tunes playing right into your ears. Recommend and makes great Christmas gifts for your family. This Bluetooth hat will accompany you on all your cold excursions.
Bluetooth hat parameters:
Frequency range: 20-20KHZ
Sensitivity: 95dB
Impedance: 32?
Speaker size: 32mm
Transmission distance: CLASSII
Operating range: 10M
Charging time: 2H
Listening to the call duration: 8-10H
Battery: 200mA polymer lithium battery
Accessories: data line + manual
Bluetooth protocol: 5.0
Bluetooth search name: BT-01
