Product Description

Sports headsets/true wireless stereo Bluetooth 4.2 earphones mini earbuds
General specifications:
True wireless stereo
Bluetooth IC: CSR****0
Bluetooth version:4.2
Earphone battery: *0mAh
Charging case battery: ***0mAh
Supports HFP, HSP, A2DP profile
Bluetooth version: V4.2
Talk time: 3.5 hours
Music time: 3 hours 
Standby time: **0 hours
LED: white, orange
Supported features: support iPhone battery display
Certifications: BQB, CE, RoHS Directive-compliant, FCC
Battery specifications:
Battery type: Lithium-polymer battery
Battery output voltage: 3.7V
Full charging time: ≤2H
Audio specifications:
Speaker size: Φ6
Speaker sensitivity: *1dB±3dB
Speaker impedance: *6Ω
Speaker max power: 5mW
Speaker frequency range: *0Hz**0kHz
Microphone frequency range: *0Hz**0kHz
Microphone sensitivity: **2dB/±3dB