BTD 300i 
Article-No. 502389 

Wireless stereo audio transmitter for iPod and iPhone

Features:
Optimal performance with Sennheiser PX(C) Bluetooth headphones
Supports apt-X® - Sophisticated audio compression technique for true hi-fi quality, with exceptionally low latency and strong resilience (The connected Bluetooth headphone is required to support A2DP (Advanced Audio Distribution Profile) and apt-X audio codecs)
Remote control operation with AVRCP - The connected Bluetooth headphone is required to support AVRCP (Audio Video Remote Control Profile)
Transmitter draws minimal power directly from connected iPod or iPhone
Slim and portable design
Plug and play - no installation required

Scope of supply:
1 BTD 300i
User manual

Technical Data
Bluetooth version: 2.0
Frequency band: 2.4 GHz band
Supported Profiles: A2DP, AVRCP
Class: 2
Codecs: apt-X, SBC
Range ≤ 10 m