Universal Wireless Bluetooth Earphones
ইউনিভার্সাল ওয়্যারলেস ব্লুটুথ ইয়ারফোন
Use: Universal for Bluetooth device（as Android/ios mobile phone）
Bluetooth version: 4.1
Job scope: > 10 meters (disabled)
Standby time: > 180 hours
Lifetime: > 3~4 hours
Support agreement: A2DP, AVRCP, HSP, HFP
Frequency response: 20 Hz 20
Stereo Super bass Quality
Can call or answer the phone
