3 Let the music accompany you anywhere with this audio set. Perfect for gifting!! This duo set of wired headphones and wireless Bluetooth headphones comes from the well-known brand Blaupunkt. They allow you to listen to your music and answer/answer calls wherever you want without having to remove your smartphone through Bluetooth mode and built-in hands-free kit. Technical data: Power supply: 3.5 mm jack Frequency range: 20Hz-22KHz Wireless Headphones Power supply: DC 5V 1A Maximum power consumption: 50mW Li-ion Battery 50mAh Radio frequency: 2.4GHz Noise level: 2 x 5mW Frequency range: 20Hz-20KHz Compatible Bluetooth version: 4.2 Range: 10m Playback time: 2-3 hours Charging time: 1-2 hours