Shokz Trekz Air color:Forest Green Measurements: Bottom Width: 9 1

Measurements: Bottom Width: 9 1 2 in Depth: 1 4 in Height: 7 1 2 in Weight: 2

for ventilation

Arm Band Size: One Size Fits Most (9 in - 15 cm)

While holding the foot in securely

Burn Time: 25+ Hours

Shokz Trekz Air color:Forest Green Measurements: Bottom Width: 9 1OPEN EAR LIFESTYLE SPORT HEADPHONES Headphones that work as hard as you do, featuring an open ear design, lightweight comfort, and dynamic sound range for training and life on the go. Bluetooth 4. 2 IP55 Water Resistant 6 Hour Battery Life Lightweight + Comfortable OPEN EAR COMFORT No wires. No bulk. No limits. Bone conduction technology leaves ears bud free and open to ambient sound, while our lightweight and flexible design allows for all day