Mini wireless speaker key chain made of Aluminum Alloy with ABS Plastic. Power/Technology: Rechargeable Lithium battery; Input: 5V; Capacity: 140 mAh; Sensitivity: 1003dB at 2kHz; Frequency Response: 20Hz - 20 KHz; Transmission Range: 10m (30 ft); Wireless 4.2 Playback time: approx. 2.5 hours, depending on usage. Must be charged prior to first use. Charge time varies by device. Minimum 2 hours. Features LED indicator light, that shines red while charging (light goes off once charge is complete). Instructions and charging cable included. FCC Approved
