The ATH-CK200BT in-ear headphones give you excellent wireless audio at a great price. The powerful 9 mm drivers deliver clear, vibrant audio from a Bluetooth® wireless signal, while the compact housings and interchangeable eartips (XS, S, M, L) provide good sound isolation and a comfortable, customizable fit.

The headphones feature an in-line mic and controls, allowing you to answer calls, adjust volume and control music playback on compatible smartphones and other devices. The ATH-CK200BT's design conveniently situates the mic and controls for easy access and places the battery case on the upper back where, if desired, it can be attached to your shirt collar with the included clip. The internal battery powers the headphones for up to 7 hours (200 hours standby) and can be recharged with the included 30 cm (1') USB charging cable.

Features:

• Bluetooth wireless technology with in-line mic and controls for answering/ending calls, controlling music & video playback and adjusting volume on connected devices
• Powerful 9 mm drivers
• Neckband design with clip for attaching battery pack to shirt collar
• Internal battery provides up to 7 hours of continuous use (200 hours on standby) on a full charge
• Includes eartips (XS/S/M/L) and 30 cm (1') USB charging cable
• Compact housings provide good sound isolation and a comfortable, secure fit

Specifications:

• Type: Dynamic
• Driver Diameter: 9 mm
• Frequency Response: 20 - 24,000 Hz
• Sensitivity: 100 dB/mW
• Impedance: 16 ohms
• Battery: DC 3.7 V lithium polymer rechargeable battery
• Battery Life: 7 hours continuous use (200 hours standby)
• Charging Time: Approx. 3 hours
• Weight: 14 g (0.5 oz)
• Accessories Included: 30 cm (1') USB charging cable, eartips (XS, S, M, L), secure-fit clip
• Type (Microphone): Condenser
• Sensitivity (Microphone): -44 dB (1V/Pa at 1 kHz)
• Frequency Response (Microphone): 100 –10,000 Hz
• Polar Pattern (Microphone): Omnidirectional