Specifications:

• Extremely affordbгable personal GSM bug 
• Small and compact design -- can be optionally hidden in other objects such as soft dolls 
• Quadband worldwide GSM network frequency support: 850/900/1800/1900MHz 
• Clearly picks up voices and sounds from within 5 meters radius 
• Stands by for up to 36 hours per charge
• Transmits audio via GSM cell phone network up to 40 minutes per charge 
• Does not produce any audible noise or sounds to prevent exposure 
• Easy to use: simply plug in a SIM card, turn the device on, then dial the SIM card's phone number to listen to/eavesdrop on conversations 
• Battery can be easily recharged by any USB port, or by the included USB AC charger 
• Comes with 110V~220V AC USB charger, retractable USB cable, and 1 x 1500mAh lithium rechargeable battery pack
• Dimensions: 1.54 in x 1.22 in x 0.71 in
• Weight: 5.96 oz