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10. Specifica ons
Microphone spec
Microphone Unit: Φ6*5mm
Direc vity: Omni-direc onal
S.P.L:-58±2DB S.P.L at 1KHz
Impedance:≤2.2KΩ
Frequency response:100Hz-10,000Hz
Opera ng voltage:4.5V
Speaker Spec
Speaker diameter: Φ40mm
Impedance: 32Ω
S.P.L: 90±3Db S.P.L at 1KHz
Rated power: 20mW
Aggregate capability:50mW
Frequency response: 20Hz-20,000Hz
Bluetooth spec
Bluetooth version: 4.0
Bluetooth distance: 10m
Transmission frequency: 2.40GHz-2.48GHz
Transmission power: Class 2 0.025-2.5Mw
Support profile: HSP/HFP/A2DP/AVRCP
Ba ery spec
Ba ery type: 400mah rechargeable lithium ba ery
Charging port: Micro USB
Runnin
me: About 20 hours talking/About 20 hours music playin
me
Standb
me: More than 250 hours
Chargin
me: 2-3 hours
Opera ng temperature: -10°C-45°C
Storage temperature: -25°C-60°C
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