Wireless Conversion Kit Short Cable for Bose QC15 QC2 QuietComfort 15 Headphones Bluetooth Adapter Receiver Connection Cable Bluetooth Wireless Receiver Adapter is designed for Bose QC15 with inline mic and volume control. Converts your wired headphones for Bose QC15 into wireless Bluetooth-enabled headphones using this receiver. Simply plug the receiver into your headphones instead of using a standard audio cable. Pair the receiver with your Bluetooth-enabled device to start using it immediately. This receiver is intended for short-range use only. Compatible with Apple iOS devices; not compatible with Android devices. Bluetooth signal range is up to 30 feet in open areas. Signal strength may be reduced by walls and other obstructions. Ideal for use within a single room. Upon subsequent uses, connection is automatic and completed within 1 second—no need to re-pair. Remembers previously connected devices for easy pairing. Specifications: Bluetooth Version: 4.1 Battery Type: Lithium-ion (not aluminum) Battery Capacity: 120 mAh Supports: HFP v1.6, HSP v1.2, A2DP v1.3, AVRCP v1.5, SPP v1.2 Audio Codecs: SBC, MP3, AAC, Stereo Bluetooth Range: 10 meters (no obstructions) Working Time: 8–10 hours Input: 5V 200mA Charging Interface: Micro-USB 5-pin (USB cable included) Color: Black (as shown in pictures) How to Use: 1. Press and hold the + or - button to adjust volume up or down. 2. Single press on + or - to skip to next or previous track. 3. Press and hold the center button to power on/off. You will hear a voice prompt indicating power status. Package Includes: 1 x Bluetooth Receiver Adapter Cable for Bose QuietComfort QC2/QC15 1 x USB Charging Cable