SONY Bluetooth Headphones Wireless

In-Ear Wireless Flex Neckband With Bluetooth 4.2 And IPX5 Sweatproof Product Name: In-Ear Wireless Flex Neckband With Bluetooth 4.2 And IPX5 Sweatproof Brand Name: HighNotes Material: Plastic Product Type: Earphone Type: Neckband Compatibility: All Smartphones Multipack: 1 Color: Black Mic: Yes Bluetooth Version: 4.2 Charging Type: Micro USB Battery Charge Time: 2 Hours Battery Backup: 15 Hours Frequency: 50 Hz Control Button: Yes Play Time: 10 Hours Dynamic Driver: 10 mm Transmission Distance: 10 Mtr Noise Cancelling: Yes Sports Earphones: Yes Sweat Proof: Yes Sizes: Free Size (Length Size: 20 cm)