Earbuds-E11

Chip: BlueLink 5636H
Noise reduction + in-ear detection
Bluetooth Version: 5.4 [Binaural Calling]
Operating Frequency: 2.402-2.480GHz
Supported Protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP
Transmission Distance: 15M [Unobstructed]
Charging Input Standard: DC4.75-5.25V/600mAh
Battery type: 3.7V polymer battery 300mAh with protection board, earphone battery 30mAh
Charging time: 1 hour
Earphone working time: Approximately 5 hours of continuous playback
Charging case chip: 5682C chip