New arrived Sony green pack battery. Each blister pack 1 piece, 10pcs per inner box, 100pcs per outer box. Original quality made in Japan. Alternative battery for replace Maxell 337 battery and use in spy invisible earpieces.
The Sony green pack battery could last 7~8 hours in TE08 spy covert earpiece. You can use the Sony SR416SW battery on TE02, TE05, TE07, TE08, TE08P and TE03 earpiece models.