For the brand: Sodo
Model: SD-1003
Bluetooth version: V5.0
Electrical resistance: 32 ohms
Frequency response: 20-18KHz
Electrical power: DC 3.7V
Battery capacity: 250 mAh
Power input: DC5V 500mA
Charging time: 2-3 hours
Music time: Up to 6 hours
Effective distance: 1 meter
Color: Black and brown