Features:
1. Bluetooth V2.1 + EDR makes for added data transfer rate and reduced latency in sound transmission, ensuring optimal audio quality well suited for watching TV/movies
2. Transforms any device (e.g. TV, computer, MP3 player, PSP) with 3.5mm audio-out jack into a Bluetooth-capable music streaming solution with no additional drivers required
3. Charging and working in parallel (with no static noise) is supported.
4. Supports A2DP, enabling your audio device to transfer stereo audio wirelessly.
5. Embedded Li-ion battery allows for convenient recharging.
6. Energy saving capability: powers off automatically if pairing fails for over 5 minutes.

Technical Specifications:
Bluetooth version: Bluetooth V2.1+EDR
Bluetooth profile: A2DP
Frequency response: 2.4GHZ-2.4835GHZ
Receiving sensitivity: -74±4dB
Effective range : Up to 10m
Charging input voltage: DC 5V
Working time: Up to 10 hours
Charging time: About 2hours

Package Content:
1 x Bluetooth Transmitter
1 x USB Charging Cable
1 x User Manual