Upgrade M04 headphones - NFC function allows to connect your NFC-compatible devices in a fast and convenient way
Can be used both wired (stereo audio only) and wireless - Optional connection via 3.5mm audio for streaming music without worrying battery dead
Over-the-ear design with soft ear cushions for excellent noise cancelling
Build in 400 mah rechargeable lithium battery guarantees 18 hours for both talk and audio play time
Stretch headband, rotatable headset, soft cushion & lightweight - Good for travel and long time comfortable use