JR-HL1 Bluetooth Headset Black

Model: JR-HL1 Name: Wireless Stereo Headset Version: BT 5.0 Chip: US imported JL (Jerry) Battery: 1000mA Polymer lithium Charging voltage: DC 5V Working voltage: 3.3V-4.2V Distance: Front 10M Back 8M Talk Time: 25H Music Time: 38.5 hours (BT mode), 20 hours (BT+Light) 10 minutes charging can use 6.5 hours (BT mode), 3 hours (BT+Light) Standby time: 300H Charging time: 3-3.5H Cable type: 3.5mm Drive unit: 40MM Impedance: 32Ω±15% at1KHZ Speaker sensitivity: 103±3dB at 1mw 1kHz with IEC318 Frequency response range: 20-20000HZ Rated power: 10mW Maximum power: 30mW