Technical Specification:

Brand: Anker
Waterproof IPX5
Weight 60.5 grams
Impedance 16 ohms
Drivers 12mm x 2
Frequency Response 20- 20KHz
Bluetooth Yes, 5.0
Bluetooth Range 10m
Charging Time 2 hours
Play time 10 hours

Features:

Four microphones built into the neckband are equipped with uplink-noise-cancellation technology to eliminate background noise and boost voice clarity.
Custom 12 mm drivers deliver professionally-tuned sound with a rich, immersive sound signature, superior clarity, and Hi-Res audio compatibility.
Block out ambient sounds for distraction-free listening, or turn on Transparency to interact with the world around you.
Enjoy 10 hours of listening in noise-canceling mode, or increase to 15 in standard mode.
Use the provided Micro USB-to-3. 5 mm AUX Cable to continue enjoying music at 30000 feet.