LEMONDA SMART S9 TWS ENC Noise Cancelling Wireless Bluetooth Headset Call Gaming Smart Touch IPX6 Waterproof Earphone - White

• Qualcomm gaming grade Bluetooth 5.0 chip, lower power consumption, stable connection, almost no inductive delay in games

• Master-slave switching technology, easy and convenient to use

• 320mah large capacity battery compartment, battery life up to 200H

• ENC call noise reduction, clearer call and music

• Fine workmanship, beautiful and stylish

Specification:

• Bluetooth version BT5.0

• Bluetooth protocol: A2DP/HFP/HSP/AVRCP/SPP

• Bluetooth chip: Qualcomm QCC3020

• Wearing style: in-ear

• Transmission distance: ?10m

• Speaker diameter: 8.0MM+6MM moving coil double speaker

• Speaker frequency response range: 20Hz-20KHz

• Product impedance: 21±10%? (1kHz)

• Speaker sensitivity: 104±3dB

• Rated power: 3mw

• Microphone: 2718 backward sound + 2718 forward sound

• Microphone frequency response range: 100Hz – 8KHz

• Microphone sensitivity: -38db±1db

• Carrier frequency: 2.402GHz-2.480GHz

• Earphone battery type: Li-ion battery

• Earphone battery model: 451012

• Earphone battery capacity: 40mAh

• Earphone charging time: about 1.5 hours

• Music playback time: 4H 100% volume playback

• Call working time: 3H 100% volume playback

• Charging dock interface: Type-C

• Charging base charging voltage: 5V

• Charging cradle charging current: 300mA

• Charging base battery type: Lithium-ion battery

• Charging base battery model: 801826

• Charging base battery capacity: 320mAh

• Charging base charging time: about 1.5 hours

• Charging base quiescent current: <20?A

• Earphone charging times by the charging base: about 2 times

• Earphone size: 36.15*18*20mm (not including ear caps)

• Charging Base size: 4.6*36.4*35.4mm

• Earphone weight: 5.9g

• Charging base weight: 33g

• Working temperature: 0?45?

• Storage temperature: -20?70?