Bluetooth Foldable Lightweight Headphones EV620BT

Specification:

• Bluetooth Version: V5.0
• Frequency: 2.40 GHz-2.48 GHz
• Power: ≤ 4 dBm, Class 2
• Effective range: 10M
• Sensitivity: 105db / 0.1%Ber
• Frequency response: 20Hz-20kHz
• S / n rate: 110 dB
• Distortion :0.10%
• Speaker size: 40mm
• Support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Voltage: 3.7vdc (350mAh rechargeable battery)
• Talking time: 8 hour
• Music time:6 hour
• Standby time: 148 hours
• Charging time: 1.2 hours
• Current: 20 mA
• Operate temperature: -4 ~ + 131 ° F (-20 ~ + 55 ° C)