Microphone
Microphone Unit: Φ4*1.5mm
Directivity: Omni-directional
S.P.L: -42±3dB S.P.L at 1KHz
Impedance: ≤2.2kΩ
Operating voltage: 1.5V-10V
Speaker
Speaker diameter: Φ10mm
S.P.L: 93±3dB S.P.L at 1KHz
Impedance: 16Ω±15% at 1KHz 0.165V
Frequency range: 16Hz-24KHz
Rated power: 1mW
Aggregate capability: 3mW
Bluetooth
Bluetooth version: V4.1
Support Profile: HSP,HFP,A2DP,AVRCP,SPP
Transmission frequency: 2.40GHz-2.48GHz
Sensitivity: -92dBm
Transmission Distance: 10m
Pairing name: Mixcder ZeroSport
Battery type: Built-in 70mAh rechargeable lithium battery
Charging port: Micro USB
Standby time: More than 100hours
Talking time: About 4 hours
Playing time: About 4 hours
Charging time: About 1 hours
Operating temperature: -20℃~60℃
Storage temperature: -40℃~70℃