Core Parameters:
Product Model: JM28 Bluetooth Headset
Bluetooth Version: V6.0
Driver Unit: 6mm Speaker
Chipset: Zhongke Lanxun BT5656
Standby Time: 60+ Days
Operating Time: 4–5 hours (Charging case provides 3+ full recharges)
Charging Time: Approx. 1 hour
Communication Range: 10–15 meters (obstacle-free)
Earbud Battery Capacity: 30 mAh
Charging Case Capacity: 300 mAh (Equipped with IC protection board)