Sony WH-CH720N Noise Canceling Wireless HeadphonesSonys lightest Wireless Noise canceling headband ever. Take noise canceling to the next level with Sonys Integrated Processor V1, so you can fully immerse yourself in the music. Super comfortable and lightweight design. Adjustable Ambient Sound mode and Adaptive Sound control features. Up to 35 hour battery life with quick charging (3 min charge for up to 1 hour of playback). High sound quality and well balanced sound tuning. Crystal clear hands free

6Аh 48V Removable Battery

high quality copper conductor

Listen for longer than ever

Working Time: Around 2~10 H

Sensitivity: 125±3dB

Working Height: 190cm

control volume

Multipoint connectivity

LED Parameter: RA80

Case material: Zinc alloy

Cable length : 3m

Extremely Lightweight: 4