Tai Nghe Bluetooth MS-T21
-RB-T21 Bluetooth Headset Specifications
-Product appearance: Model-RB-T21
-Color: black, white
-Weight: 3.8g
-Bluetooth version: BIuetooth 4.1
-Transmission distance: 10 meters for obstacles
-Frequency response: 50HZ-10KHZ
-Output sensitivity: 99+_3DB
-Microphone sensitivity: _42+_3DB
-Battery capacity: 50MA/H
-Speaker impedance: 16 ohms
-Rated power: 5MW
-drive unit: 6MM
-play time: 3.5H
-Standby time: about 100H
-charging time: about 1.5H
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