SonicGear BlueSports 5 Pro Bluetooth Earphones

Featuring SonicGear superior audio design
In-ear bluetooth earphone designed for mobile phones and active sport activities
In-line volume control to adjust sound volume on the fly
Optimized strong bass and clear audio for music playback
Universally compatible Bluetooth v4.2
Frequency response: 150 – 18 KHz
Impedance: 32ohm
Sensitivity: >=80dB
Bluetooth version: 4.2
Bluetooth distance: up to 10 meters
Supports call answering function
70mAh built in rechargeable battery last up to 3.5 hours (50% volume)
Continuous talk time up to 4 hours
Recharge via 5V USB battery charging”