Pills Go True Wireless Semi-In-Ear Headphones BT7-white

OverviewInput Power : 5V, 400mA (USB-C) Working time : 3.5 hours (earbuds) No. of charge : 4-5 times (case) Longest working time : 20 hours (with charging case) Battery type : Li-Polymer Battery Capacity : ~35mAh (earbuds) ~500mAh (charging case) Charging time : ~1.5 hours (earbuds) ~2 hours (charging case) Driver type : Ø10mm Frequency response : 20-20KHz Impedance : 32 Ω±10% Sensitivity : 96db±3db Supported profile : A2DP, AVRCP, HFP, HSP Wireless frequency : 2.4GHz Effective range : 10m (line of sight)