EF-0020

• Speaker driver: 40 mm
• Frequency response: 20-20000 Hz
• Impedance: 32 Ohm
• Sound pressure level (SPL): 105 ± 3 dB
• Microphone sensitivity: -58 ± 3 dB
• Bluetooth version: 5.0
• Support Bluetooth version: v. 1.0 and higher
• Working time: approx. 5 h
• Standby time: up to 300 h
• Charging time: about 2 h
• Working range: up to 10 m
• Battery: lithium-poly battery 3.7 V, 200mAh
• 1year limited warranty