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Rolton K400 Specification:
Suitable for: teaching, tour guides, promotions, meetings
Support USB disk and TF card to play music
Audio power: >5W
Battery capacity: 1200mAh
Charging: use standard USB 5V (can use mobile phone charger)

Rolton K400 Mini size:
H 8.5cm * W 85cm * D 3.4cm
H 3.3inch* W 3.3inch* D 1.2inch

Detachable 18650 battery:
The battery capacity is 1200mAh. It can be used for 8 hours. Play music for about 4-8 hours (volume 50%-80%).

Charging using a standard USB cable:
Can be charged using a variety of standard USB chargers
1) It is recommended to share the mobile phone charger for charging.
2) Charger current is greater than 500mA

Knob volume control:
The knob controls the volume, which is very convenient for most users.

RoltonK400 Packing list:
1 * K400 loudspeaker
1 * 1200mAh battery
1 * Professional Wired headset Microphone
1 * Instruction manual
1 * USB charging cable (data cable)
1 * Waistband Belt