Product information:

Output interface: 3.5mm stereo plug
Charging port: Support MicroDC5V/100mA Input voltage range: DC5V
Battery capacity: 145 mAh
Usb cable length: 50 cm
Bluetooth version: 5.0
Bluetooth distance: ≤10 meters
Bluetooth frequency: 2.4GHz
MIC sensitivity: -42 db
Frequency response: 50 Hz-20 kHz
Signal-to-noise ratio: 75 decibels
Music playing time: ≤10 hours
Applicable equipment: car with 3.5mm AUX jack, speakers, headphones

Packing list:

Mp3 players*1