Model: 450BT-B
Audio input: 3.5mm jack type
Speaker horn: 40mm steel magnet
Sensitivity: 115±3dB
Withstand power: 25mW
Frequency range: 20-20KHz
Impedance: 24Ω
Microphone: support
Frequency range: 30Hz-16KHz
Sensitivity: -58±3dB
Bluetooth version: V5.0
Transmission protocol: EDR+A2DP
Transmission coding: SBC
Noise reduction technology: DSP+AEC
Frequency range: 2.402~2.480GHz
Effective transmission distance: 10 meters
Transmit power: 5dBm
Battery capacity: lithium battery 200mHA
Charging current: 5V 500mA
Charging time: <1 hour
Use time: ≥5 hours
Standby time: ≥1000 hours
MicroSD/TF card: support up to 32G, support play/pause/previous/next
FM listening: Support FM full frequency search and save frequency
Head bow: PP
External film: ABS (logo can be customized)
Arm: ABS
Bowl: ABS
Gold sheet: aluminum sheet (logo can be customized)
Button: ABS
Earmuffs: leather
Packing list: headset host, instruction manual, blister, packing box, Micro USB charging cable, 3.5mm audio computer cable.
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