Technical speci cations
MPN
Headphone
Form factor
Driver unit
Maximum power output
Frequency
Impedance
Sensitivity
Buttons
Microphone
Form factor
Directivity
Frequency
Impedance
Sensitivity
Input voltage
Volume control
Connectivity
Connection type
Wireless RF frequency
Wireless range
Battery
Battery type
Battery charging time
Battery run time
Battery standby time
KWH-251
On-ear
40mm
30mW
20Hz-20KHz
32 ±15% (S.P.L at 1KHz)
96dB±3dB
Power On/O -Multifunction, Volume
+/Next song, Volume -/Previous song,
Lights On/O
Built-in
Omnidirectional
50-16KHZ
2.2K
-42dB±3dB
5VDC/500mA
Yes, in right ear cup
Bluetooth® V5.0, 3.5mm auxiliary-in
2.402-2.480GHz
Up to 80ft**
3.7VDC, 800mAh
Up to 2.5 hours
Up to 22 hours*
About 100 hours
Other features
LED lights
Additional information
Material
Product dimensions
Product weight
Cable type and length
Warranty
* Estimated battery run time may vary depending on each user's playlist, usage and volume
settings.
**Range estimate is based on an area free and clear of obstacles and interference, and within the
line-of-sight between both Bluetooth
V5.0 devices.
®
Precautions
• Do NOT drop, hit or shake the device.
• Do NOT disassemble, repair or modify the headphones yourself.
• Do not use cleaning products that contain benzene, solvents or alcohol.
• Do NOT expose headphones to excessive heat or to direct sunlight for long
periods of time.
• Do NOT store the device in a place with high humidity or dust.
• Do NOT place heavy objects on top of the headphones.
• Do NOT use near a microwave oven or wireless LAN products.
Multicolor adjustable LED lights with on/o
capability and running lighting e ects
ABS
6.3x3.3x7.8in
7oz
USB-C: 31in
3.5mm cable: 4ft
One year