This is the LATEST Wireless Bluetooth Portable Stereo Speakers For iPhone Samsung Laptop PC, etc. With multifunction such as, Multi-play Function, FM Radio Function, Telephone Answering Function (hands free). The internal microphone supports answer, reject, end a call directly from speakers. It is perfectly suitable for outdoor play, e.g. sports, cookouts, picnic, etc. Easy operation and convenient use. ---------------- Specification Charging time: 2-3 hours Talking Time: up to 4 hours Music time: up to 3 hours Standby time: up to 18 hours Operating Range: 10M (32 ft - no obstacles such as door , wall) Built-in rechargeable lithium battery Support: HSP1.1, HFP1.5, A2DP1.2 & AVRCP1.0 profiles