PRICES MAY VARY. Active Noise Cancellation: Eliminating up to 28dB of low-frequency noise from the outside world and provide an excellent music experience. Long press for 2 seconds to activate ANC. Wireless Charging: No more plugging and unplugging, simply place the earbuds charging case on a charging pad. This means less energy, a safer charge, and no overheated battery. Call Noise Reduction: Adpoted noise cancelling microphone which will pick up your voice loud and clear, while at the same tim