audio technica / ATH-CKS5TW BL Complete Wireless Earphone Blue

audio technica ATH-CKS5TW is a completely wireless earphone that inherits the powerful heavy bass reproduction of the SOLID BASS series. The battery lasts up to 15 hours with a single charge, and up to 45 hours with the charging case.

◇ Headphones section
■ Model: Dynamic type
■ Driver: 10mm
■ Output sound pressure level: 110dB/mW
■ Reproduction frequency band: 5-40,000Hz
■ Impedance: 16Ω

◇Microphone part
■ Model: MEMS type
■ Directivity: Omnidirectional
■ Sensitivity: ?40dB (1V/Pa,at1kHz)
■ Frequency band: 50-4,000Hz

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

◇Other
■ Power supply: Headphones: DC3.7V lithium-ion battery (built-in type) / Charging case: DC3.7V lithium polymer battery (built-in type)
■ Charging time: Headphones: About 2 hours (*) / Charging case: About 3.5 hours (*)
■ Available time: Up to about 15 hours (*) when playing music, and up to about 45 hours (*) when using the charging case
■ Weight: Headphones: about 8g (L side), about 8g (R side)/Charging case: about 60g
■ Operating temperature range: 5℃-40℃
■ Replacement (sold separately): Earpiece ER-TW1XS, S, M, L
■ USB compatible AC adapter (sold separately): AD-SU505JEA