Lmminer ANC Active Noise Cancelling - Wireless Headphone

Wireless over the ear headphones provide exceptional sound quality and music clarity, wherever you listen. Bluetooth headphones feature a on-ear foldable and stretchable adjustable headband design. Keep the noise away and stay focused on the music with Adaptive Noise Cancelling. Comfortable and secure fit thanks to the soft ear pads and adjustable headband. Product Description: Bluetooth Specifications: Bluetooth 5.0 Frequency range: 2.402GHz-2.480GHz Bluetooth protocol: AVRCP1.5, A2DP 1.3, HFP1.6, SPPV1.2, AAC, CVC voice processing Working voltage: 3.2-4.2VDC Charging voltage: 5VDC Charging time: ≤3.5 hours Wireless transmission range: ≥15 meters (outdoor space) Rated power: 15mW/Channel Maximum output power: 20mW/Channel Frequency response range: 20Hz-20KHz Signal-to-noise ratio: ≥90dB 1K@0dB With IEC Distortion rate: ≤0.5% 1K@0dB Battery capacity: 750mAH Endurance time: > 20 hours (ANC & BT full work) Noise reduction bandwidth: 20-1.5KHZ Noise reduction depth: -28~-33dB Speaker unit: OD=40mm, 32Ω Working temperature: -10℃~50℃ Storage temperature: -20℃~60℃ Package Lists: 1 * Wireless Bluetooth Headsets 1 * User Manual 1 * USB Charging Cable 1 * 3.5mm Jack Cable 1 * Headsets Storage Box 1 * Storage Bags