LED Bluetooth Hat

WP3074-LED Bluetooth Hat
Material: Acrylic
Packing: each in a opp bag with USB cable and manual
Unit size: adult size
Meas/ctn: 50*40*40cm/100pcs
G.W/N.W: 13/12kgs
Specifications:
Material:Acrylic
Color:Dark Gray/Black
Head circumference:50-60cm
Gender:Unisex
Bluetooth technology: V5.0
Frequency: 2.402 GHz to 2.480 GHz
Spreading distance: 10 meters
Minimum microphone distance: 1 meter
Battery capacity: 3.7V/150 mAh
Charging time: within 2 hours
Continuous working time: 6 hours