Wireless Headset Headphones in-ear Bone Conduction earbuds
parameter Material ABS+PC BT solution Jerry AC6936D4 BT version BT 5.0 BT support protocol AVRCP, HSP, HFP, A2DP Transmission distance 10m Frequency response 2.402GHz-2.480GHz (RF) Battery capacity 30mAh / 300mAh (all with protection board IC) Charging times 3 times Drive unit: composite membrane speaker 13mm Frequency response 20Hz-20kHz Playing time 3-4hours Standby time 120 hours…