Suitable for teaching activities, guided tours, promotions, outdoor activities
 Waist-mounted, with 1 wired headphone mic and strap
 Power: 10W
 Impedance:4Ω
 Battery capacity: 3.7V/2000mAh
 Charging method: DC 5V⎓600-750mA
 Charging time: 4-6 hours
 Usage time: about 20 hours
 Product size: 86×98×46mm
 Product weight: about 350g