Compatible with mobile phone and tablet which have the Bluetooth function
Features: Connection distance: effective distance to 10 meters. Effective distance will be shorten for indoor use. 3-5 meters works better. Phone call: press function button once to answer a call and hold the button for 2 seconds to refuse a call. Redial: in the standby mode, press function button twice to redial the last number. Battery display: the remaining battery of RB-S10 will be played on for iphone. For other mobile phones, a "Du Du" voice prompt will be played when the battery is low.
Specification: Bluetooth version: V4.1 Effective distance: 10m Music Play: 6-8 hours Talk time: 6-8 hours Standby time: 240 hours Charging time: 1-2 hours Battery Current: 90mAh Cable length: 60cm Package: 1x earphone(no original package box) 1x USB charging cable 1x ear cap (L+M+S) 1x earphone storage bag 1x instruction