I am unable to respond to inquiries like "How much can you lower the price?". Please specify the desired price when negotiating. Used for commuting for approximately 3 months. Cleaned with alcohol wipes. The CX 400BT wireless earphones boast high-quality sound and up to 20 hours of battery life. - Model Name: CX 400BT - Type: Wireless - Brand: Sennheiser - Battery Life: Up to 20 hours - App Compatibility: Compatible with Smart Control App - Sound Quality: High-quality sound - Charging Case: Included - Color: Black Includes a carabiner-equipped rubber case purchased from Amazon. Thank you for viewing.