Here is a smart speaker that you can wear around your neck to answer calls and listen to music as you move around. The Sony SRS-NB10 Wireless Neckband Speaker has a full-range upwards angled speaker and an open-ear lightweight design. The NB10 also has two Beamforming microphones with advanced audio signal processing with clear, echo-free sound.
The NB10 lasts up to 20 hours on battery. It is lightweight enough for you to wear all day long. This speaker has a splash-proof design. It is available in 2 colors.