Strong Bass Wireless Bluetooth Headphone B39


Bluetooth Headphones Over Ear with Deep Bass, Ulecc B39 LED Light up Wireless Foldable Hi-Fi Stereo Headphones Bluetooth 5.0 Built in Microphone, Wired and Wireless Headset for Smart Phone/TV/PC


  1. HiFi Powerful Bass Stereo Sound Effect - 40mm diaphragm speaker drivers, deep bass stereo sound, enjoy the wireless high quality music
  2. Comfortable Over-Ear Fit - Soft protein leather earpad and retractable headband lifts the burdens for your ear. No discomfort after long-time wearing.
  3. Comfortable and Foldable - Technical ergonomics design with soft earmuffs simulated to human skin texture, ensure long lasting comfort
  4. Wireless and Lightweight - Ear Pad headphones for enjoying extended listening of TV and audio-without disturbing others
  5. Built in Microphone - supports hands-free call and voice reporting incoming call number. With the latest enhanced technology makes you voice sound clearer in noisy environments
  6. Ever Power Off, Both Wireless & Wired - The wireless modeA built-in 400mAh battery provides up to 8-10hr music time or talking time in a single charge; The Wired modeyou can also use it as a wired headphone with the provided audio cable so the headphones will never power off.
  7. Bluetooth 5.0 Adopt - The Bluetooth 5.0 CSR Chipset, lower power consumption, superior compatibility. Compatible for all the mobile Phone, Tablet PC, Notebook, any devices with bluetooth function Or has A 3.5mm Audio Jack
  8. Multi-Functions - headsets have several options for listening enjoyment. Built in TF card slot and you can use a TF/Micro SD card with loaded MP3 music and listen to the songs directly on your headsets.
  9. Colorful LED Light - Seven-color transform cool breathing light, shine everywhere, anytime.


  • Bluetooth VersionV5.0
  • Support Bluetooth ModeA2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
  • Frequency2.402-2.480GHZ, 2.4G ISM band
  • Frequency Response20 Hz - 20 KHz
  • Signal to Noise Ratio (SNR)70Db;
  • Total Harmonic Distortion Rate (THD) 0.1%
  • Power IndicatorRed and blue lights alternately flashing
  • Headset Chargingrechargeable 400MAH lithium battery
  • Charging PortMini 5-pin USB charging interface
  • Normal Charging Time2.5 hours
  • Talk Timeup to 10 hours
  • Standby Timeup to 20 Days
  • Operating Temperature-20℃ - 55℃






Package Included

  • 1 x Headphone
  • 1 x Charging Cable
  • 1 x 3.5mm AUX Audio Cable