Highlight Features:
• 4 in 1 Multifunctional and Space-saving foldable headband.
• Sound-isolating design, enjoy wonderful stereo music and hands-free calls.
• 3.5mm audio jack, can be used as wired headphone.
• Built-in rechargeable lithium-polymer battery
• Along with 20mW long-term input power for impressive sound
• Can freely control the switch of previous / next song, pausing song, answering/ending calls, dialing the last number, volume control etc.
