The popular audio brand audio-technica's wireless earphones, the ATH-CKS770XBT (SOLID BASS series). 【Product Details】 Manufacturer: audio-technica Model Number: ATH-CKS770XBT Color: Black Bluetooth Ver. 4.1 Codec Support: aptX / AAC / SBC Continuous Playback Time: Approximately 7 hours Charging Time: Approximately 2 hours Weight: Approximately 43g Included Accessories: USB charging cable, eartips (XS/S/M/L each size), pouch, instruction manual, warranty card Condition: New and unused, only opened for photography 【Main Features】 ・Heavy bass sound with 11mm SOLID BASS HD driver ・Aluminum enclosure with cutting and hardening suppresses unwanted vibrations ・Flexible and lightweight neckband type ・High-quality wireless playback with aptX/AAC support 【Shipping】 Although it will be a simple packaging by an amateur, I will carefully pack it with bubble wrap. This model allows you to enjoy the powerful heavy bass and high-quality sound typical of audio-technica. Recommended for those looking for a new product at a great price. Please purchase if you understand that it has been stored at home. #audio-technica audio-technica Model Name: ATH-CKS77XBT audio-technica Model Name: ATH-CKS770XBT