K4 Wireless On-ear Foldable Bluetooth Headphones Stretchable Headband with Mic



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Brief Introduction:
Touch is simple – whatever volume control or music play.
Wireless technology – enjoy every moment in your lifestyle.
Our Bluetooth headphones deliver your music, movies, and games with unmatched clarity and depth. Its slick on-ear design and cool appearance set your look, your attitude, your music.

Main Features:
– Stretchable and portable design: gentle cloth band and soft ear cups provide extra flexibility, portability, and durability. Easy to carry and save spaces. And the headband owns 35mm stretchable range which can fit for most users without discomfort
– With Bluetooth 4.2 + EDR technology is faster than other devices, the transmission distance is within 10m. Enjoy perfect compatibility for iPhone, iPad, Android smartphones and tablets, Windows devices, and all popular Bluetooth devices
– Comfortable ear cushions and lightweight, comfortable design for all-day listening
– Classic retro design perfect for easy listening at home, in the office and outdoors
– Accept incoming calls or toggle between tracks by the power button
– Built-in 250mAh Li-ion battery, 6 hours working time, up to 180 hour standby time

– Material: ABS + PC + cloth
– Bluetooth: 4.2 + EDR
– Voice frequency range: 2.4 – 2.4835GHz
– Impedance: 32 ohm
– Sensitivity: 115dB
– Loudspeaker: 40mm
– Frequency: 20 – 20KHz
– Charging time: 2 hours
– Working time: 6 hours
– Standby time: 180 hours
– Power supply: 1 x 250mAh rechargeable Li-ion battery (built-in)
– Port: USB 2.0
– Music format: MP3/WMA
– TF card range: 128M – 32GB (card is not included)
– FM frequency range: 87.5 – 108.0MHz

1. Q: what should I do if my headset can't pair my phone?
A: please make sure this headset has been going into pairing mode (turn the Bluetooth on and press the play key until the LED light flashing).
2. Q: what should I do if my Bluetooth headset is not showing up on my cell phone?
A: check both devices, and make sure that Bluetooth is turned on. If the problem persists, check to see if they are compatible.
3. Q: what can I do when the headset says the pair list is full?
A: go to the pairing list and try to delete one or more from the paired devices on your phone.


Dimensions and Weight

Product weight: 0.1500 kg

Package weight: 0.2430 kg

Package Size(L x W x H): 16.50 x 7.50 x 19.00 cm / 6.5 x 2.95 x 7.48 inches

Package Contents

Package Contents: 1 x Headphone, 1 x Audio Cable, 1 x USB Cable

K4 Wireless On-ear Foldable Bluetooth Headphones Stretchable Headband with Mic