1. ụdị 5.3 emelitere ọhụrụ, nnyefe okpukpu abụọ na-efu efu, obere latency.
2. mgbawa nchekwa overvoltage OVP arụnyere n'ime ya, dabara na voltaji kwesịrị ekwesị iji chajie ngalaba nchaji kwụsie ike.
3. Semi-in-ear design, dị mma iyi ogologo oge, dabara adaba na ọwa ntị, na-enye ntị abụọ ahụ ahụ iru ala ma kwụsie ike.