awei X680BL Wireless Sports Bluetooth Headset Color:Black One Package Size 23cm *

One Package Size 23cm * 9cm * 7cm / 9

Bone Conduction Technology: Using bone conduction technology

wear-resistant and better protect items

support TF card up to 32GB (not included)

awei X680BL Wireless Sports Bluetooth Headset Color:Black One Package Size 23cm *1. Wireless design, light and comfortable 2. Superior sound quality, 6mm drive unit 3. IPX4 waterproof and sweatproof 4. Smart one for two, two devices switch at will 5. Dual battery lasting battery life, capacity 55mAhx2 6. 300 hours standby time, 8 hours talk time, 7 hours of music playback 7. Weight: 12 grams Specification: Package Weight One Package Weight 0. 21kgs 0. 47lb One Package Size 16. 5cm * 14. 1cm * 4. 1cm 6. 5inch * 5. 55inch * 1.