- CallMate Flex Band Wireless Multifunctional Neckband With 15 Hour backup/play time, TF card Player and IPX4 Rated.
- Advanced 10mm dynamic drive units bring you unparalleled music experience with high bass.
- CallMate Flex Tune Wireless Multifunctional Neckband comes with the ability to make or take hands free calls and 15 hours of battery life.
- Plug in TF card (memory card) to play music, long press the power button to enter MP3 playback mode, pull out TF card during Bluetooth playback.
- Adopt 4.2 new version of Bluetooth chip, compatibility, stability, functionality and other aspects have been significantly improved Dynamic speaker unit + metal composite diaphragm. Restore FLASE sound quality, HIFI sound.