タイトルまたは説明

Bluetooth true wireless earphones for mobile phone in factory price
General specifications:
Bluetooth version: V4.2
Talktime: 3.5 hours
Playtime: 3 hours
Standby time: **0 hours
Available colors: black and white
Supports HFP, HSP and A2DP profiles
Supports iPhone battery display
Certifications: BQB, CE, RoHS Directive-compliant, FCC
Battery specifications:
Battery type: Lithium-polymer battery
Battery output voltage: 3.7V
Headset battery capacity: *0mAh
Charging case battery capacity: **0mAh
Full charging time: ≤2H
Audio specifications:
Speaker size: Φ6
Speaker sensitivity: *1dB ±3dB
Speaker impedance: *6Ω
Speaker max power: 5mW
Speaker frequency range: ****0kHz
Microphone frequency range: ****0kHz
Microphone sensitivity: **2dB ±3dB