Check the listing for details. Audio-Technica ATH-CKS550XBTBK Solid Bass Bluetooth Wireless In-Ear Headphones. Color: Black, Condition: New. Listed at 24.95 USD. Same Day Shipping or next business day From USA With Tracking Number Must Have Your Order In Before 2 pm Eastern Time Product Description Audio Technica Solid Bass ATH-CKS550XBT Wireless Headphones. Condition is "New". Bluetooth wireless technology with in-line mic and controls for answering/ending calls, controlling music/video playback and adjusting volume9. 8 mm solid bass HD drivers deliver extremely accurate, high-fidelity Audio with superb bassInternal battery provides seven hours of continuous use (200 hours on standby) on a full chargeThe compact housings are designed to provide a comfortable fit for ears of all sizesIncludes silicone ear tips (XS/S/M/L), secure-fit clip, 30 cm (11. 8") USB charging cable and carrying caseFrequency Response - 5-50, 000 Hz and Impedance - 16 ohms Type: DynamicDriver Diameter: 9.8 mmFrequency Response: 20 – 20,000 HzSensitivity: 105 dB/mWImpedance: 16 ohmsBattery Life: 7 hours continuous use (200 hours standby)Type (Microphone): CondenserPolar Pattern (Microphone): Omnidirectional Bluetooth wireless technology with in-line mic and controls for answering/ending calls, controlling music/video playback and adjusting volume9.8 mm Solid Bass HD Drivers deliver extremely accurate, high-fidelity audio with superb bassInternal battery provides seven hours of continuous use (200 hours on standby) on a full chargeAccessories: 30 cm (11.8") USB charging cable, eartips (XS, S, M, L), secure-fit battery clip, protective pouch Audio-Technica ATH-CKS550XBTBKSolid Bass Wireless In-Ear Headphones, BlackThe ATH-CKS550XBT wireless in-ear headphones feature 9.8 mm Solid Bass HD Drivers specially designed to fit within the headphones’ compact housings, giving you a comfortable listening experience that doesn’t sacrifice sound quality. The accurate sound reproduction is furthered aided by Bluetooth wireless technology that works with both the standard SBC codec and the higher quality AAC codec. Please check your local laws prior to purchasing. Buyer agrees that they are of legal age to purchase and own this knife in their state. We are a USA seller, offering our products to USA customers only! Why buy from us? Because we care about our customers, and would never sell them anything that wasn't good enough for our own family. We appreciate every single purchase, and always strive to exceed your expectations! Read our feedback for real testimonials of how we conduct business.