Features:

? Bluetooth, Aux-in and TF Card
? Foldable and Adjustable Headband
? Soft Ear Cushions
? Breathing LED Lights

Specifications:

? Type: Stereo Headphones with Mic
? Speaker: 40mm
? Sensitivity: 115dB S.P.L at 1KHZ
? Impedance: 32ohms
? Frequency Response: 20HZ-20KHZ
? Rated Power: 40mW
? Power Capability: 100mW
? Microphone Unit: 4.5mmx2mm
? Plug Type: 3.5mm Stereo

Wireless Specifications:

? Wireless Version: Bluetooth V5.0
? Operation Distance: 10m
? Range of Frequency: 2.402 to 2.480GHz ISM Band
? Sensitivity: -85dB

MP3 Specifications:

? PC Interface: USB2.0
? Music Format: MP3/WAV
? TF Card Support: 128M-32GB
? Rechargeable Lithium Battery: 400mAhWhat’s in the box
1 x Cat Wireless Bluetooth Stereo Headphones L550
1 x 3.5mm Male to Male Aux Cable
1 x Micro-USB Charging Cable