Wireless earbuds with microphone in ABS+ AS Plastic case. Power/Technology: Rechargeable Lithium Polymer battery: 3.7V/55 mAh; Sensitivity: 110 dB; Frequency response: 20Hz-20000Hz; Transmission Range: 10m (30 ft); Wireless: 4.2; Wireless Profile: HSP/HFP/ADP/AVRCP. Great for grooving to music or answering calls. Features LED indicator light that shines red while charging, and turns off once charge is complete; blinks blue once paired. Approx. 2.5 hours of playback time for music, 1.5 hours talk time. Must charge prior to first use. Charge time varies by device. Minimum charge time 1.5 hours. Includes USB charging cable and instructions. FCC Approved. WARNING: Refer to the item manual for safety and warning instructions.
