Regarsi NY032 Bluetooth Neckband Wireless Earphone

Regrsi RE-NY032 Wireless Neckband Bluetooth Earphone Earphone version-NY032Profile Support-HSP HEP.A2DP.AVRCPStan-by Time-400hTalk Time-9hMusic play Time-8hCharging Time-2hCharging Voltage-DC 5VFrequency Range-2.402G-2480GAmbient Temperature-20/+60CTransmission Distance-10mBattery Capacity-110mAh. 3.7VSensitivity-90dBt3dBImpedance-16π+15%Frequency Response-20-20000Hz