These volkano hook-on Bluetooth sports earphones are compatible with most mobile phones and can also be connected to other Bluetooth enabled devices. These sports earphones feature a built in microphone and call function which allows you too take and reject calls directly through the headphones. Lightweight and comfortable these are the ideal training companion.

Specifications:
• Built In Microphone
• Bluetooth Standard: v4.0
• Support Version: HSP, HFP, A2DP, AVRCP
• Frequency Range: 2.4026GHz-2.480GHz
• Transmitting Power: Class 2
• Working Hours: Up To 4 Hours
• Standby Time: >100 Hours
• Charge Time: <2 Hours