Model: JD-173 - Color: Black frame + grey lens - Plastic material housing - Frequency: 2.4~2.480GHz - Bluetooth V3.0+EDR standard - Transmit power: Class 2 - Built-in 120mAh battery - Talk time: 5 hours - Standby time: 150 hours - Built-in microphone - Transmit range: 5 meters - Bridge width: 2cm - Lens width: 6cm - Lens height: 3.6cm - Full length: 18cm - Package includes: - 1 x Bluetooth headset sunglasses - 1 x Power adapter (AC 100~250V / 2-flat-pin plug) - 1 x USB charging cable (75cm) - 1 x Cleaning cloth - 1 x Carrying box - 1 x Chinese / English user manual