TWS earphone With mobile power(PW)

JE-GM440 TWS earphone With mobile power(PW)

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Description:

1. Bluetooth chip: WS500 V5.0 version
Bluetooth support protocol: A2DP, AVRCP, HFP
Audio decoding method: SBC
Receiving distance: within 10 meters
Working frequency: 2.402GHz~2.480GHz
Transmission power: CLASS2, MAX4dbm
Charging input voltage: DC5±0.25V
Working voltage: 3.7V (3.0-4.2V)
Charge cut-off current: 10mA
Charging current: 200mA
Automatic sleep time: after 2 minutes
Automatic shutdown time: after 5 minutes
System volume: 32-section volume
 Default volume at boot: 20 knots
Default volume of prompt tone: 10 knots
Microphone sensitivity: -42±3DB (built-in microphone), -38±3DB (external microphone)
Low voltage prompt: 3.2V
Sensitivity: 96±3DB
Frequency response range: 20~15KHZ
Sound-to-noise ratio (S/N)>75db
Distortion:<0.5%
Working current: ≦35mA, (the greater the volume, the greater the current), turn on the light 70MA
Shutdown current: ≦5uA
Pairing name: S4
Pairing code: none
Low latency: 53ms
Simulate 7.1 channel 3D reverb
Speaker: 50 impedance 32 ohms
Battery: 900MA
Single mark ENC active noise reduction
Standby time 18000H
 22H battery life, 12H battery life with RGB lighting