LGTONE-FP5 TONE Free True Wireless Bluetooth Earbuds FP5 - Active Noise Cancelling , Black, small

Q: Can this buds be used for running , since there is no hook ?

Yes, LG Tone FP5 earbuds are suitable for running. ^Daphane

Q: How long can I talk on my cellphone with these earbuds?

LG Tone Free FP5 provides up to 22 hours of play time from a single charge. 8 hours with the earbuds, and an additional 16 hours from the charging case. ^Daphane

Q: Can you answer a call from Microsoft teams from the earbuds directly?

Microsoft teams can be installed on PCs, Macs and mobile devices so you can pair those devices that you are using Microsoft teams on with the LG TONE Free FP5 - Active Noise Cancelling True Wireless Bluetooth Earbuds, if those devices support Bluetooth...^Ivan