- Super clear conversation effect.
- Inner Li-Battery， over length battery working time.
- Built-in soft light， will not cause distraction in car.
- Convenient to control.
- After a successful match， this device will automatically complete the Bluetooth match when you switch it on next time.
- Support iPhone， iPad， mobile， laptop and other devices with Bluetooth function

Specifications
Model: DSER104
Dimensions: 65*43*10mm
Bluetooth Version: V4.0
Bluetooth Range: Up to 30 feet
Compatibility: car stereos， home stereos/speakers， headphones etc. by 3.5mm stereo inlet socket
Power Supply: inner 400mAh Li-Battery charging via Micro USB cable
Operation Time: up to 20 hours (built-in battery) music playback or continuous with Micro-USB charger