REMAX OpenBuds P3 Metal Open-Ear OWS Wireless Bluetooth Earphone, P31. Bluetooth version: V5. 3 2. Transmission range: about 10m 3. Speaker driver unit: 14. 2mm 4. Rated power: 40mW 5. Impedance: about 16 ohm 6. Frequency response: 60HZ 16KHZ 7. Battery capacity: 300mAh for charging compartment, 65mAh for earphone 8. Standby time: about 90 days 9. Charging time: about 1. 5H 10. Playback time: about 6H 11. Input: DC 5V 300mA 12. Material: plastic + aluminum alloy 13. Size: about 9. 1 x 5. 1 x 2. 8cm Features: 1. IPX6

With a microphone

Voltage/current: 5V/less than 45mA

35inch * 13

Carton Size 83cm * 55cm * 20cm / 32

Thermal conductor material: tourmaline ceramic

**Microphone Sensitivity:** -38+/-3dB

General Compatible with HP:  Spectre x360 14 inch 14-eu0777TU

Extra long talk/play time

Solar power: 10W

Product size: 195*258*24mm

0 compatible usb1

0 display、Support single 4K (4096*2160) @60HZHDMI2