Nakamichi MyPetite True Wireless Earphones NEP-TW3 – Black

Earphone driver unit : dia 8mm Frequency response : 20Hz-16KHz Built-in battery : 35 mAh (each side) Bluetooth V4.2; Supports A2DP/HFP/HSP/AVRCP Talk time : 3-4 hours Music time : 3-4 hours Standby time : 48 hours Charge time : 2 hours Wireless range : 10m Earphone dimension : (each pc) 28.4 x 16.6 x 24.2mm (including ear cushion) Earphone weight : 4g (each)