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Overview and Specifications:

Bluetooth version: Bluetooth 5.0

Drive unit: 6mm
Resistance: 160

Life time: about 5H
Charging voltage: 5V/500mA

Chip: RTL8763BFR
System support: iOS / Android
Charging time: about 1H for headphones, about 1.5H for charging box
Standby time: about 150 days for the charging box and about 50 daysfor the headset
Support Agreement: HFP1.7 HSP1.2 A2DP1.3 AVRCP1.6
Battery capacity: about 55mAh-left-〇n-the earphone, and about 55mAh the right, about 850mAh in the charging box
Audio decoding mode: SBC+AAC Speaker sensitivity: 101dB@1kHz
Microphone sensitivity: -38db@1 kHz Frequency response range: 20Hz—20kHz
Bluetooth working range: 10 meters (accessible space)
Bluetooth transmitter frequency range: 2.4-2.48GHz

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