Product Description Bluetooth Version : 5.4 Transmission distance : ≥10M Speaker type : Φ13mm@32ohmPET Receiver sensitivity(TYP) : ≦-86dBm Audio frequency(S/N) : ≥96dB Frequency response : 50Hz~10KHz Earbuds battery capacity : 35mAh Earbuds Charging time : about 1.5H Charging case battery capacity : 400mAh Charging case charging time : 1.5H Music playing time : about 6H Talk time : about 4H Support Bluetooth profile : HFP/HSP/A2DP/AVRCP Standby time : It stands on standby for 4 months when fully charged
