Material: Acrylic on the outside

Mode of operation: Push-button

Size Information:Product Image:

A4 Calibration:440Hz

Style: LCD silicon horn

Wireless Multi-point Voice Control Bluetooth Headset Music World Material: Acrylic on the outsideProduct information: Transmission range: 10 meters Function: battery display, voice control, call function, support music, multi point connection, waterproof Bluetooth protocol: 4. 1 Channel: Stereo Usage: hanging ear type Whether single or double ear: bilateral stereo Applicable gift giving occasions: opening ceremonies, employee benefits, awards commemoration, anniversary celebrations, advertising promotions, trade fairs, festivals, weddings, public