Cleer Alpha Wireless Headphones

Earpiece Design Over-Ear (Circumaural) Earpiece Connection / Wearing Style Headband Foldable Yes Driver Type Dynamic Driver Size 1.6″ / 40 mm Active Noise Cancellation Yes Frequency Response 20 Hz to 40 kHz (Wired) 20 Hz to 20 kHz (Wireless) Microphone Number of Mics 2 Beamforming Support Yes Noise Canceling Yes Wireless Connectivity Supported Audio Codecs SBC, aptX Adaptive Bluetooth 5.1 Wireless Range 49.2′ / 15 m (Bluetooth) NFC No Wired Connectivity Audio Connector to Source 1 x 1/8″ / 3.5 mm Audio Connector to Earpiece 1 x 1/8″ / 3.5 mm Battery Runtime 35 Hours (BT+ANC) Quick Charging Times 10 Minutes for 4 Hours Wireless Charging None Charging Port USB Type-C Weight Headphones: 11.6 oz / 330 g