B39 LED Colorful Breathing Lights Portable Earphone Folding Built-in FM Wireless Bluetooth Headphone

Features:
HiFi Powerful Bass Stereo Sound Effect: 40mm diaphragm speaker drivers, deep bass stereo sound, enjoy the wireless high quality music
Comfortable and Foldable: Technical ergonomics design with soft earmuffs simulated to human skin texture, ensure long lasting comfort
Wireless and Lightweight: Ear Pad headphones for enjoying extended listening of TV and audio—without disturbing others
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
Both Wireless & Wired: 1. The wireless mode: A built-in 400mAh battery provides up to 10-hr music time or talking time in a single charge; 2. The Wired mode: you can also use it as a wired headphone with the provided audio cable so the headphones will never power off.
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.
Colorful LED Light: Seven-color transform cool breathing light, shine everywhere, anytime.

Specifications:
Name:B39
Use: wireless headset, voice headset
Bluetooth Version: V4.2
Support Bluetooth Mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Frequency: 2.402-2.480GHZ, 2.4G ISM band
RF Performance: receiver sensitivity: -84dBm; transmit power up to 4dBm
Frequency Response: 20 Hz – 20 KHz
Signal to Noise Ratio (SNR): 70Db;
Total Harmonic Distortion Rate (THD) 0.1%
Power Indicator: Red and blue lights alternately flashing
Headset Charging: rechargeable 400MAH lithium battery
Charging Port: Mini 5-pin USB charging interface
Normal Charging Time: 2.5 hours
Talk Time: up to 10 hours
Standby Time: up to 20 Days
Operating Temperature: -20? – 55?
Other Features: support status indicator, charge indicator display

Package Included:
1 x Headset
1 x Charging Cable
1x 3.5mm Audio Cable
1 x Manual

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