Features: 1. Lightweight and portable, fits in your pocket 2. Hands-free support 3. Easy-to-use controls for music playback and answering phone calls 4. Built-in crystal clear quality Mic 5. With SBC MP3 AAC audio decoding function 6. Embedded noise elimination circuit and Kalimba DSP data processor, complete a variety of digital speech processing 7. Streams music from any Bluetooth enabled device 8. Micro USB port for convenient recharging with built-in Lithium battery Specification: Material: Silica gel.Plastics Cabinet Material: Plastic.Iron net Bluetooth handsfree: Yes Version: Bluetooth V3.0 Avaliable Distance: 8-15m Power: 3W Soundtrack: 2.0 SNR: 90dB Sensitivity: 40HM Frequency range: 20Hz-KHz Use: Portable Audio Player, Mobile Phone,Computer Build-in battery capacity: 300mAh Battery type: Li-Ion Talk time: 2h Standby time: 5h Music player time:3h Special Feature:Wireless,Portable,Mini,Cute Power supply:USB Package list: 1 * Bluetooth Speaker 1 * USB cable 1 * User manual