Powerful speaker headset MRS232T

Portable speaker - smart and unique! MRS232T Microdigit® Royal Home offers you a wonderful portable speaker. Specifications: ------------------------- Transmission distance: 10 meters Distortion: <0.5% Signal-to-noise ratio: 70 decibels Root mean square: 5 watts * 2 Frequency response: 90Hz-18KHz Input voltage: DC 5 volts Battery: 2000mAh Charging time: up to 4 hours Audio input: 1000 millivolts Playing time: 3-4 hours Product size: 415*135*113 mm Available color: gray / black Category: entertainment Type: portable speaker Model: MRS232T