Bluetooth scheme: V5.3
Sound channel: stereo
Supported protocols: A2DP v1.3, AVRCP v1.6, HFP v1.7, HID v1.1, AVCTP v1.4, AVDTP v1.3, and SPP v1.2
Battery capacity of earbuds: 60mAh*2 (protection IC)
Battery capacity of charging case: 400mAh (protection board) Horn size: 15*10 mm
Charging time 2.5h Call time: 7h
Play time: 8h Standby time: 300h
Sensitivity: 110dB Impedance: 16Ω
Input voltage: DC 5V
Bluetooth operating frequency: 2.4GHz -2.4835GHz
Frequency response range: 50Hz~10,000Hz
Maximum transmission distance: 10m
Voice prompt: supported
Multi-point connection: unsupported
Wearing method: ear-hook type
User manual: Chinese and English
Interface: Type-C
Accessories: USB charging cable, user manual
