IPX 4 waterproof music earphone wireless bluetooth stereo neckband sweat proof bluetooth headphones / earphones / earbuds V4.1Product Detailswireless bluetooth stereo neckband sweat proof bluetooth headphones / earphones / earbuds V4.1Product Information1. Sport ( Athlete ) Blutetooth Earphone with Stereo Voice2. Bluetooth Version : V4.13. Frequency Range : 2.4-2.8 GHz4. Operating Distance : Up to 10 m ( free space )5. Bluetooth Profiles : A2DP,Website:http://www.szuniverse-tech.com, AVRCP, HSP, HFP6. Standby Time : Up to 180 hrs7. Talk / Music playtime : 4-5 hours8. Charging Time : 1-2 hours
IPX 4 Waterproof Music Earphone