Features:Great stereo soundDo not fall out of your earsBuilt-in microphone for making callsIn-ear-controls: volume, tracks and callsFlexible-design can be folded to pocket sizeProtective case included Specification:Bluetooth: V4.0Wireless range: 10 metersSupport bluetooth headset, handsfree A2DP

Features:Great stereo soundDo not fall out of your earsBuilt-in microphone for making callsIn-ear-controls: volume, tracks and callsFlexible-design can be folded to pocket sizeProtective case included Specification:Bluetooth: V4.0Wireless range: 10 metersSupport bluetooth headset, handsfree A2DP and AVRCPCharging time: 3 hoursMusic / talk time: 5-7 hoursStandby time: 150 hoursSensitivity: <-82dBm at <0.1% BER160 mAh rechargeable li-polymervoletage work: DC 3.3 V-4.2 VCharger: DC 5 VProduct Weight: 30gPackage Includes:1 x Bluetooth earphone1 x USB Charging Cable