■ Wireless: V5.2
■ Chipset: Jieli AC6973D4
■ Operating frequency: 2.4GHz-2.48GHz
■ Frequency response: 20Hz-20kHz
■ Operating distance: 10m
■ Speaker diameter: Φ13mm
■ L & R sensitivity: 100dB ±5dB
■ L & R impedance: 32±5%Ω
■ Charging time: 1.5 hours
■ Talking time: 4 hours
■ Battery Capacity: 40mAh*2
■ Charging Case: 400mAh
■ Standby time: up to 50 hour
