I39 Bluetooth Earbuds for Running are protected with waterproof silicone gel to keep sweat, dust and water away. Perfect for running, jogging, cycling and other outdoor activities.
Faster and more efficient than ever before, lower power consumption, stable connection and music quality. You can also pair two sets of I39 to a mobile phone at the same time
Wearing your I39 Bluetooth Earbuds for Running like a necklace without tangle, a convenient way to carry around when you don't need them.
Weighing only 15g, soft and smooth silicone gel surface guarantees secure and comfortable wearing.
Easy Operation Built-in noise free microphone allows you to make and answer phone calls while exercising.
Built-in 120 mAh large-capacity rechargeable battery ensures up to 10 hours of play time with a single charge (about 2 hours)
The 6mm metal speakers deliver loud and bass sound, reduce outside noise for better listening experience.
Adopts durable ABS and PC material, being processed by polishing and plating. Ensures the headphones' long lifetime.
When the battery is low, there is indicator sound to remind you to charge it as soon as possible.