★Pure digital decode system ensures full acoustic fidelity and strong bass voice.Support multi-format files. ★High S/N ratio bluetooth audio frequency without any emitter. ★Intelligence power-saving modes and designs/180 hours long standby/lithium battery inside lasts for 8 hours. ★Switch conversation with music player modes automaticly/ enjoy the entertainment and communication at the same time. ★Portable designs,8mm thin, with 6 multifuctional keys.
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