Suitable for teaching activities, guided tours, promotions, outdoor activities
 Waist-mounted, with 1 wireless head-mounted microphone and strap
 Power: 10W
 Impedance:4Ω
 Battery capacity: 3.7V/2000mAh
 Charging method: USB5V1000mA
 Charging time: about 2.5 hours
 Usage time: about 13 hours
 Product size: 113*84*44mm
 Product weight: about 200g