• Multifunctional on-cord control: support volume adjustment, song switch, calls control
• Bluetooth 4.1 technology: provides the quick and stable sound transmission 
• Lightweight: only 6.5g, just like wearing nothing
• Built-in mic for hands-free calls
• CVC noise canceling for high-definition calls and music
• Support connect with two devices simultaneously
• Come with 3 pairs earbud tips, meets different people's needs

Wireless Lightweight Neckband Headphones, Professional Bluetooth Headset, IPX5 Water Resistant Earbuds with Noise Cancelling Technology, Built-in Mic and 20h Playtime

• Equipped with Qualcomm aptX, 4 microphones, and Environment Noise Cancellation technology, Onyx Ace delivers crystal-clear calls and studio quality audio. The pressure-free semi-in-ear design provides a comfortable all-day listening experience.

• With superior deep bass, clear call sound, a new wireless charging case & more convenient gesture control, Spunky Pro is engineered for truly wireless music & calls, and an active lifestyle.