Features include multiple audio input, 3 in 1 wireless headphones: stereo wireless headphones, microphone support for hands-free talk and optional wired headphones connection. Both talk and playback time up to 15 hours and connectivity distance range up to 10M.
Wireless stereo surround headphones with high definition stereo technology. Deep bass headphones equipped with comfortable ear cushions to enjoy music and hands-free conversations.

Technical Specifications
Built in microphone
Support 3.5mm jack audio cable
Play/Talk Time: 15 hours
Charging Time: about 2 hours 
Wireless Range: 10 meters
Output Power: 0.25w x 2
Impedance: 32Ω ±15%
Lithium Battery Capacity: 300mAh
Headphones dimensions: 170*80*180MM
Headphones weight: 210g