New designed neckband mini stereo wireless Bluetooth headset earphone
General Specification:
Bluetooth IC: CSR8640
Bluetooth version: 4.1
Bluetooth profiles: A2DP, HFP, HSP, AVRCP
Talk time: 6.5hrs
Playtime : 5.5hrs
Standby time: 200hrs
LED: white, orange
Supported features: support the iPhone battery display, some for Android
Voice prompt, connect the two devices
Certifications: BQB, CE, RoHS Directive-compliant, FCC
Battery type: Lithium-polymer battery
Battery output voltage: 3.7V
Battery capacity: 100mAh
Full charging time: ≤2H
Speaker size: Ø6
Speaker sensitivity: 91dB ±3dB
Speaker impedance: 16Ω
Speaker max input power: 5mW
Speaker frequency range: 20-20kHz
Microphone frequency range: 20-20kHz
Microphone sensitivity: -42dB/±3dB