Magnetic Wireless Stereo Bluetooth Earphone
ম্যাগনেট ওয়্যারলেস স্টেরিও ব্লুটুথ ইয়ারফোন
Bluetooth version: V4.1
Battery: 50mA Li-polymer>2hrs
Frequency range: 20-20,000Hz
Driver unit diameter: 40mm
Talk time: 2-2.5hours
Built-in microphone
Sound pressure level: 80±3dB
Standby time: over 100 hours
Charging time: About 1 hours
