Headphone Audio-technica Wireless Headphones (Blue) [ATH-CKS5TW-BL]

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Specifications
Headphone part
Type : dynamic type
Driver : φ 10 mm
Output sound pressure level : 110dB/mW
Playback frequency band : 5 to 40000 Hz
Impedance : 16 Ω
Microphone part
Type : MEMS type
Directional characteristics : all fingers
Sensitivity : 40 dB (1V/Pa, at1kHz)
Frequency band : 50 to 4000 Hz
Communication Specifications
Communication Method : Bluetooth Band : 2.4 GHz band (2.402 to 2.480 GHz)
Modulation method : FHSS
Supported Bluetooth profile : A2DP, AVRCP, HFP, HSP
Supported codec : Qualcomm aPTx audio, AAC, SBC
Content protection : SCMS-T system
Transmission band : 20 to 20000 Hz
Other
Power source
Headphones : DC3.7 v lithium ion battery (built-in type)
Charging Case : DC3.7 v lithium polymer battery (built-in type)
Charging Time * : Headphone approx. 2 hours / Charging Case approx. 3.5 hours
Usable Time
Continuous Communication (music playback) *
Maximum 15 hours (headphones)
Maximum 45 hours (when used with a charging case)
Mass headphone : approx. 8g (L side), approx. 8g (R side)
: approx. 60g
Drip-proof specifications : IPX2 (headphone only)
Temperature range 5 to 40 ℃
* Varies depending on usage conditions.
Accessories, 30 cm Charging USB cable (USB Type-A/USB Type-C) earpiece (XS, S, M, L), silicon ring, instructions, box 5.0