Máy trợ giảng đa năng Bluetooth Rolton K300BT Portable Voice Amplifier

Thông số kỹ thuật:

TF Card: Yes
FM Radio: Yes
Repeat: Yes
Loop play back: Yes
Fast forward & Fast backward: Yes
Reverberation: Yes
Basic function: Music-FM-Voice amplifier-Power Bank
Material: ABS/UV
Output power: 5W Input Power: Power Adapter/USB/ Li-ion
Sensitivity: 80db
Distortion: 1%(3.7v,1Khz,1W)
Working Voltage: DC 3.7V
Charging voltage: DC 5.0V
Llithium Battery Capacity: 2200mAH
Impedance: 2 Ω
Display: LED
Speaker: 2.5 inch *1
Audio Format: MP3/WMA/WAV
Firmware Upgrade: Unavailable
Dimension: 86mm*39mm*117mm (W*D*H) Approx
Operating Temperature: -5 ~40 Centigrade Degree
Net Weight: About 249g

Package Content:
1* Voice Amplifier
1* User manual
1* USB Cable
1* 2200mAh replaceable Battery
1* Waistband Belt
1* Professional Wired headset Microphone