Features:
1. Sunglasses are combined with Bluetooth 4.1+EDR headset.
2. Polarized glasses reduce glare, filter light, and effectively protect eyesight.
3. Stylish spectacle frame, light, flexible and durable.
4. The Bluetooth headset brings you great listening enjoyment. Compatible with almost all audio devices that support bt.
5. Built-in microphone, support hands-free call, convenient to answer and end calls.
6. Suitable for outdoor activities such as cycling, fishing, driving, mountaineering, golf, etc.

Specifications:
Bluetooth version: BT 4.1+EDR, Class 2
Bluetooth configuration: A2DP, AVRCP, headset
Working distance: 10m (without obstacles)
Frequency response: 20-20KHz
Sensitivity: 95 dB
Impedance: 32??
Battery capacity: 3.7V/110mAh
Music playback time: about 4 hours
Talk time: about 5 hours
Charging time: 2-3 hours
Charging voltage: DC 5V 500mA
Charging port: micro USB port
Colour: Black
Product size (folded): about 14.0 * 5.2 * 3.8 cm
Product weight: 30g
Packing size: 15.6 * 6.2 * 3.6cm
Package weight: 61g
Packing quantity: 150 sets/carton, 9.2 kg
Packing size: 51*40*35 CM

Packing list:
1 * BT sunglasses
1 * Wired headset
1 * rag
1 * USB cable
1 * Carrying bag
1 *English/Chinese user manual