TWS WIRELESS HEADST AIR 92

ess frequency: 2.4GHz Transmission distance: 10M Supported protocols: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP Earphone battery: 30MAH (lithium battery 401010, 30mAh/3.7V * 2) Charging compartment battery: 250MAH with protective plate. (Lithium ion battery 601530250mAh/3.7V) Continuous listening time: 5 hours Headphone charging time: approximately 1.5 hours Charging time for the charging case: approximately 1.5