Foldable Wireless Bluetooth Headset

Item Type: Headset Bluetooth Version: V4.0 Frequency:  2.40GHz-2.48GHz Power: ≤ 4 dBm, Class 2 Effective Range: 10M Sensitivity: -84dBm / 0.1% BER Frequency Response:  20 Hz – 20 KHz S/N Rate: 70 dB Distortion: 0.10% Speaker Size: 40 mm Support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Voltage:  3.7VDC (Built-in 400 mAh Rechargeable Battery) Talking Time: 10 Hours Standby Time: 250 Hours…