Product parameters:

• Brand: BONSS/bangsi
• Transmission range: 10 meters
• Feature: support for music, voice control, voice calls, battery indicator
• Customized processing: Yes
• Print LOGO:
• Bluetooth protocol: 4.1
• Channels: stereo
• Usage: pendant
• Whether single or double ear: dual stereo
• For gift-giving occasions: opening ceremony, birthday, at the Memorial, wedding, business gifts, promotional, anniversary celebration, PR, exhibitions, festivals, employee benefits
• Foreign trade: no
• Color: "black and white", "black and yellow", "black-green" private ordering