Blue B20 Outdoor Sports Watch MP3 Music Player for Portable Wireless Bluetooth Smart Watch Mini Speaker,Remote Control Selfie,timer,Phone Anti-lost,Handsfree Calls for Android and IOS Fashion, portable sports music watch.this speaker owns excellent sound quality,with perfect audio design,fashion watch design, wearable and portable for outdoor sporting. • Build-in Micro, Handsfree calling function,bluetooth audio transmission. Selfie Remote Control Shutter, Cellphone Anti-lost, FM Radio Player. • Bluetooth Selfie when listening to music,TF card playing MP3/WAV format music; FM radio; prompt tone for any work status;inbuilt high-capacity Li-ion battery for power supply, long standby time. • Anti-lost Function:speaker will be disconnected beyond efficient distance in bluetooth status and prompt disconnected with alarm sound.And the sound can stop easily by manual touch any button.If paired phone reenters into efficient bluetooth distance, they refill reconnect automatically. • Compatible with all Bluetooth enabled devices like mobile phone,tablet,TV, good for outdoor sports and also useful at home.Wireless Speaker, with watchband and prepared hole for Rib-band, very good for cycling, running and dancing.