Features:
Compatible for QC15 Headphone.
Can be connected to two mobile phones at the same time.
With this Adapter let your headphones become wireless headphone, enjoy wireless Bluetooth streaming music.
Support Answer / hang up call, phone wait, volume adjustment, last and next song, music playback / pause, power on and connection voice prompts, maximum / minimum volume voice prompts, telephone redial, Bluetooth back, low power voice prompts.

Specification:
Bluetooth Specifications: Bluetooth 4.1
Battery Capacity: 120mAH
Support Bluetooth Protocol: HFP v1.6, HSP v1.2, A2DP v1.3, AVRCP v1.5, SPP v1.2
Audio Performance: Support for SBC, MP3, AAC, stereo
Bluetooth Distance: Within 10 meters
Duration: 8-10 hours
Package Weight: 22g
Quantity: 1pc
Fitments: for QC15

Package included:
1 x Wireless Headphone Adapter Cable
1 x USB Cable