Technaxx MusicMan In-ear headphones with active noise cancellation, -26dB ANC, Bluetooth, IPX4, blackIn-ear headphones featuring two microphones for active noise cancellation up to -26dB. Easily pair your smartphone via Bluetooth 4.2 and make phone calls and listen to music on the fly.• Bluetooth 4.2• IPX4 certifed. Ideal for outdoor activites• Active noise cancellation (ANC) up to -26dB• No clutter thanks to magnetic connection to he earphonesSpecifications:• Bluetooth V4.2 / Profils: A2DP 1.3, AVRCP 1.5, EDR class 2, HFP 1.5, ANC / ~10m distance• Loudspeakers: frequency range 20Hz~20kHz• Bluetooth: frequency band 2.4GHz• Bluetooth: radiated transmission power max. 2.5mW• ANC: –23dB ± 3dB (up to max. –26dB)• SNR / THD / Impedance: 85dB / 3% / 32Ω• Headphones: 120mAh lithium polymer battery 3.7V (DC 5V/500mA)• Charging / Playing time: ~2 hrs. / ~6 hrs. VOL max.• Standby time ~100 hours (BT connection, no music)• Operating temperature: –10°C up to +50°CDimensions(BxDxH): 12 x 860 x 8 mmWeight: 25 g