• Bluetooth chip: JL 6955 V5.4
• Battery capacity: 400mAh
• Play time: 40H (50% volume)
• Talk time: 40H
• Horn diameter: 40MM
• Charging time: 2H
• Optimal talk distance <1M
• Maximum transmission distance 10M
• Bluetooth operating frequency: 2.402GHz~2.480GHz
• Wearing method Head-mounted
• Charging interface: Type-C
• User manual Chinese and English
• Accessories: USB charging cable, user manual
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