Check the listing for details. Tenergy T20 Wireless Bluetooth Earphones IPX7 Earbuds Headphone & Bonus Armband. Color: Black, Condition: New. Listed at 17.99 USD. Tenergy T20 Wireless Bluetooth Earphones IPX7 Earbuds Headphone & Bonus Armband Prepare for your biggest moments with Tenergy T 20 Wireless sport earphones. These Tenergy earphones are designed to be waterproof to handle your toughest trainings and workouts. With up to 8 hours of battery life you can experience authentic clear sound throughout the day Technical specifications Earphone Type : In Ear / Ear Hook Wireless Connection : 4.1 Transmission Range: Upto 30 ft Waterproof Rating : IPX7 Wireless Noise Reduce CVC 6.0 Tailored Comfort 8 hrs endurance HD SOUND Bonus Content Adjustable Sports Arm Band Will be shipped asap after the payment is received Microphone : Built in Noise Reduction : CVC6.0 Noise Cancelling Battery: 100 maH, Rechargeable Charge: 1-2 Hours via micro Usb cable Run Time: Up to 8 hrs Standby time: up to 240 hrs weight: 20g / 0.7 ounce Bonus Armband: Compatible with screen size up to 5.5"