Hello: feature: Scrambler Noise reduction circuit Long standby time Long communication distance High-performance lithium-ion battery Battery saving. CTCSS. DCS KeyWord: functional design; humanism; specification: Model: BF-888S Antenna impedance: 50ohm Operating temperature: -30 ~ +60 Rated voltage: 3.7V DC Output power: & amp; 5W Battery type: lithium-ion battery Battery capacity: 1500mAh Product Dimensions: 55 x 33 x 115 mm (L x W x H) Antenna length: 110mm Net weight: 200g Dual-band or single-band: single-band Dual frequency or single frequency: single frequency package: 2 * A walkie-talkie 2 x pofung BF-888S 2 x 3.7v 1500mAh lithium-ion battery 2 SMA female antenna. 2 x belt clip. 2 x ENG manual 2 x Desktop Charger (100V / 240V) 2 x wrist strap 2 x headphones