audio technica / ATH-CKR300BT GR wireless earphone green

audio technica ATH-CKR300BT are standard model of wireless earphones that are ideal for commuting. You can enjoy high-quality sound at low price.

◇ Headphones section
■ Model: Dynamic type
■ Driver diameter: 9.8mm
■ Output sound pressure level: 102dB/mW
■ Reproduction frequency band: 5 to 30,000Hz
■ Impedance: 16Ω

◇Microphone part
■ Model: MEMS type
■ Directivity: Omnidirectional
■ Sensitivity: ?42dB (1V/Pa,at1kHz)
■ Frequency band: 50-4,000Hz

◇ Communication specifications
■ Communication method: Bluetooth standard Ver.5.0 compliant
■ Maximum communication distance: Within 10m with good visibility
■ Frequency band used: 2.4 GHz band (2.402 to 2.480 GHz)
Modulation method: FHSS
■ Supported Bluetooth profile: A2DP, AVRCP, HFP, HSP
■ Compatible codecs: AAC, SBC
■ Supported content protection: SCMS-T method
■ Transmission band: 20-20,000Hz

◇ Others
■ Power supply: DC 3.7V lithium polymer battery (built-in type)
■ Charging time: about 2 hours
■ Available time: Continuous communication (when playing music): Up to about 8 hours
■ Weight: about 13.5g
■ Drip-proof specifications: IPX2
■ Operating temperature range: 5-40℃
■ Accessories: 30cm USB cable for charging (USB Type-A/USB Type-C), earpiece (XS,S,M,L), pouch