Specification:
Bluetooth scheme: Jieli 7003D4, V5.3
Supported protocols: HSP, HFP, A2DP, AVRCP
Battery capacity of earbuds: 35mAh * 2 (without protective plate but protective IC)
Battery capacity of charging case: 300mAh (with protective plate)
Horn: φ13mm
Charging time: 1.5h
Talk time: 7h
Play time: 6h
Standby time: 300h
Horn sensitivity: 93 ± 3dB
Horn impedance: 32Ω
Standard input voltage: DC 5V
Bluetooth working frequency: 2.402GHz~2.480GHz
Frequency response range: 20Hz~20,000Hz
Maximum transmission distance: 10m
Voice prompt: supported
Multi-point connection: unsupported
Wearing method: In the ear
User manual: Chinese and English
Interface: Type-C
Waterproof rate: IPX6 (only for earbuds)
ENC depth (4 mics for voice call): ＞-40dB
Included Accessories: USB charging cable, manual