E13-C Smart Audio Sunglasses

Frame Material: High-strength PC
Temple Material: PC with spray coating
Lens: PC + UV400 protection
Optional Lenses: Tinted sunglasses / Blue light filter (Prescription lenses available)
Chipset: E13 (AB5636A)
Bluetooth Version: 5.3
Transmission Range: ≥12 meters
Operating Frequency: 2.402GHz – 2.480GHz
Transmission Power: Class 2, Max 4dBm
SNR: -85dBV
Distortion: <1%
Frequency Response: 20Hz – 20kHz
Speaker Specs:
Size: 15mm (L) × 6mm (W) × 2.5mm (H)
Impedance: 8Ω ±15%
Rated Power: 0.5W
Max Power (Short-term): 0.7W
Battery & Charging:
Charging Input: DC 5V ± 0.25V
Battery Capacity: 3.8V / 100mAh
Working Voltage: 3.3 – 4.2V (Nominal: 3.7V)
Charging Time: ≤2 hours
Standby Current: ≤5µA
Working Current: ≤30mA (varies with volume)
Microphone:
Sensitivity: -42 ±3dB
Low Voltage Alert: 3.0V
Playback Time:
Up to 5 hours (at 80% volume)