m4 bluetooth

[derbyfella59]

hi fellow aquas,i've been using a £17 decent quality bluetooth in ear headset on samsung s3 and panasonic radio and h/p laptop perfectly well upto a distance of 10 metres.but signal breaks-up when i pair/connect with my M4 in my pocket .any ideas?

[Uliwooly]

10 meters its the max range for bluetooth assuming there's nothing else interfering with it, such as walls, clothes, etc