Usage time of 10-16 hours when fully charged.
Long battery life.
Large battery capacity: 2000mAh
Loud and clear sound.
Easy to use.
Made of high impact strength ABS Plastic.
1 x Voice amplifier with Built-in Lithium Rechargeable Batteries.
1 x Microphone with headset
1 x Male to Male 3.5mm audio patch cable
1 x Battery charging power adapter
1 x Removable belt clip
1 x Adjustable waist belt
1 x Convenient storage bag
Peak output power: RMS 16W
Frequency response: 100HZ~13000HZ±1db
Current consumption: 150mA
Input signal: Cable microphone (-20dB 600)
The use of voltage: DC 7.5, lithium batteries
Material: ABS resin molding
Weight: 0.68 lbs
Speaker sensitivity: -53dBV/Pa±3d