The fingerboard width at the first fret should be approximately 4

The content of the main fabric ingredient: 88 (%)

A4 Calibration:440Hz

Style: LCD silicon horn

6 ft (67–110 cm)

Wireless Multi-point Voice Control Bluetooth Headset Music World The fingerboard width at theProduct 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