"Magnetic Metal Sports Bluetooth Earphone Headphone
ম্যাগনেটিক মেটাল স্পোর্টস ব্লুটুথ ইয়ারফোন হেডফোন
"Use: Universal for Bluetooth device（as Android/ios mobile phone）
Magnetic suction design, easy to wear
Fashion Bluetooth Sports Headphones
Color: Gold/Black
Bluetooth version: 4.1
Job scope: > 10 meters (disabled)
Standby time: > 180 hours
Lifetime: > 3~4 hours
Charging time: <2.5 hours
Support agreement: A2DP, AVRCP, HSP, HFP
Frequency response: 20 Hz 20 kHz"
