Warranty Period: 1 Year Warranty

Warranty Type: Supplier Warranty

Bluetooth: Yes

Microphone: Microphone Present

Volume Control: Volume Control Present

PTron BT Boom 4D Earphones with High Bass
Powerful dual dynamic drivers will stun you with its stereo sound and high bass. Conforms to the shape of the ear for comfortable and secure fit. Listen to music and answer calls on-the-go with ease.

Connectivity Wireless
Transmission Range: 10m
Frequency Response: 20Hz-20kHz
Speaker Impedance: 16ohms +/-15%
Speaker Sensitivity: 100+/-3 dB/V @1kHz
Mic Sensitivity: -40+/-3 dB@ 1000Hz
Input Current: DC10V
Battery Capacity: 70mAh
Talk Time: 4 hours
Playback time: 3 hours
Standy Time: 100 hours
Charging Time: 1.5 hours