Model: GP-618  

• Out put:  Max 3W x 2PCS    4 Ohms
•  Frequency response:150-18000HZ
• Signal and Noise:  ≥80dB
• Loud speaker dimension: 1.77inch/45mm
• Battery capacity: 600 mAh (Lithium rechargeable battery)
• Charge time:3-4 hours
• Playback time:6-7hours
• Micro SD card and USB slot avaliable.
•  Input power:5V/1000mA (power by AC adapter)/ 5V/500Ma(power by USB port)
•  Line in jack:standard 3.5mm male jack.