About this product
- Battery Capacity(mAh):1800
- Warranty Type:No Warranty
- Audio Crossover:4 Way,Full Range
- Speaker Type:Center Channel Spearkers
- With Maganet:No
- Smart Speaker:Yes
- Model:K400
- Product Condition:New
- With Battery:Yes
- Connection Type:Wired
- Battery in The Product:Yes
Product description
The main difference between the two products is the usage time and function
Use time: 5-8 hours (Depends on the volume)
Use time: 3-5hours (Depends on the volume)
1,Bluetooth Mode:You can Bluetooth to your phone/laptop to play Music
2,Noise-reduction System:Produces clear sound when using the Microphone
3,Recording Voice Function
4,Adjustable Volume (Button)
5,Rechargeable 1200mHA battery
6,Small in Size & Portable to Carry.
7,Ultra Light Weight but Powerful Loud Speaker
8,Voice Amplifier with Superb Clear Sound
9,Reachable Target Area up to 1500 Sqm.
10,Music MP3 Speaker / Voice Recorder/ Voice Amplifier/ PC Speaker.
Basic function: Voice amplifier / Music Speaker
Use time: 5-8 hours(Depends on the volume)
Input power: power adapter/usb/li-ion
Microphone Connection Method: Wired
Speaker function: Bluetooth music speaker/MP3 speaker/voice amplifier/recording
Battery Capacity: 1800mHA battery (Rechargeable)
Dimension: 85mm x 34mm x 85mm
Net Weight: About 133g(Including lithium battery)
1 x Rolton K400 ( Black / Rose Gold)
1 x Professional Wired headset Microphone
Q: Do this included wireless mic?
A: No, it only included with wired mic
A: Normally can last for 4 - 8 hours, but mostly depends on the volume
Q: Do this has Bluetooth?
A: Yes, Bluetooth is available with K400
Q: Do the battery need to change?
A: The battery is rechargeable and a charging cable is included with it
Q: Why there's buzz sound from the speaker?
A: 1.Mic too near the speaker
2. The speaker is charging
3. Electronic devices too near with the speaker
Q: How to power on the speaker?
A: Press & Hold the Play/Pause button until the power is on.
Q: Can I have a English version manual?
A: Customer can scan the QR code within the parcel or request from our customer service.
This is a very simple and practical teacher Bluetooth amplifier!
Product type: Bluetooth amplifier
Speaker: 3-inch full frequency, dual voice coil speaker
Battery: 1200mAh with protection
Battery capacity: 1200mAh
Use time: 3-5hours(Depends on the volume)
Product color: Pearl white/Ruizhi black
Basic functions: teaching amplification/Bluetooth connection/promotional loop