ML A01 C AI Smart Sunglasses

·Chip: ABB5756C (Bluetooth 5.3)
·Working distance: ≥12 meters
·Playtime: about 5 hours (80% volume)
·Battery specifications: 3.8V/90mAh
·Charging time: ≤2H Quiescent current: ≦5uA
·Working frequency: 2.402GHz~2.480GHz
·Transmitting power: CLASS2, MAX 4dbm
·Signal-to-noise ratio: -85dB Distortion: <1%
·Working frequency: 20HZ – 20K HZ
·Speaker size: L16mm*W 9mm*H 2.5mm
·Speaker impedance: 8±15%Ω
·Speaker power: 0.8W Short-term maximum power: 1W
·Charging input voltage: DC5±0.25V
·Working voltage: 3.7V (3.3-4.2V)
·Microphone sensitivity: -42±3DB ·Low voltage prompt: 3.0V
·Working current: ≦30mA