Compact design for easy portability, perfect for indoor and outdoor sports. Built-in DSP filter chip ensures super receiving sensitivity and clear signal. HiFi and low distortion capabilities deliver clearer and more powerful sound. Easy one-click operation for channel search and saving, can be used with 3.5mm headphones as antenna. LCD display for real-time channel information, low-power circuit design with large 300mAh battery for longer playtime. Item Name: Mini Radio Material: ABS Frequency Range FM:76-108MHZ Sensitivity FM: 8UV Signal-to-noise Ratio FM: No Less Than 40DB Maximum Output Power: 6.5mw Lithium Battery 300mAh 3.7V External Power Supply: DC5V Minimum Operating Voltage: 3.3V Maximum Current: 40MA Stereo Separation: 26DB External Earplugs: 3.5MM/322X2 Features: Clip Design, Clear Signal, Low Distortion Size Details: L: 8.5cm/3.35", W: 2.8cm/1.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mini Radio 1 x Headset 1 x User Manual