audio technica / ATH-C200BT RD Bluetooth earbud wireless earphones

ATH-C200BT Bluetooth wireless earphones have a reasonable price. you can hear surrounding sound even while listening to music.

■ Headphones
Model: Dynamic type
Driver: φ12mm
Output sound pressure level: 106dB/mW
Reproduction frequency band: 20-20,000Hz
Impedance: 32Ω

■ Microphone
Model: Electret condenser type
Directional characteristics: Omnidirectional
Sensitivity: 42dB (1V/Pa,at1kHz)
Frequency band: 80-10,000Hz

■ Other
Power supply: DC 3.7V lithium polymer battery (built-in type)
Charging time: about 3 hours
Usable time: Continuous communication (when playing music): Up to about 9 hours
Continuous standby: up to about 200 hours
Weight: 15g
Operating temperature range: 5-40°C (* depends on operating conditions)

■ Accessories: 30cm USB cable for charging (USB Type-A/Micro USB Type-B)
clip
■ AD-SU505JEA AC adapter is not included