PRYME, SPM-2100-M8AMP, Trooper Heavy Duty Speaker Microphone, Water and Rain Resistant
SPM-2100-M8AMP Includes Only:
- Microphone
- Wall charger
- USB charging cable (cable allows charging for many other USB sources)
Features:
- Professional quality, water-resistant, remote speaker microphone
- Heavy-duty construction, featuring polyurethane cables and impact-resistant polycarbonate housing.
- Rubber sealed housing for heavy-duty use in wet environments
- High-quality speaker and mic elements provide clear audio on both transmit & receive
- Large PTT switch and metal reinforced clip that rotates 360°
- Features a 3.5mm accessory jack for connecting an earphone to the unit.
- HYDRA™ (patent pending) radio connectors are available only on select radio connector models and are molded to provide the very best resistance to elements. Because the wires and electronic components inside of the connector are sealed beneath the hardened thermoplastic shell, the connector is completely waterproof and can be fully immersed.
- RINO™ super rugged cables are the most durable microphone cable ever. The RINO™ cable is a rugged, military-grade cable that is engineered to last longer and retain its original shape better than previous cable. With a tough polymer jacket on the outside and Kevlar® reinforcement inside, this cable extends the lifespan of audio accessories.
Wired, Amplified Remote Speaker Mic for Motorola radios using the M8 connector, including TLK100, SL300, SL3500e, SL500e and SL7550. Up to 26 hours per charge! Battery life: approx. 26 hours (90/5/5) Charge time: approx. 8 hours Audio output: > 120 dB These radios were not designed for speaker microphones. If you plug a normal speaker microphone into them the received audio level is too low for practical use. The SPM-2100-M8AMP contains a booster amplifier and battery to bring the received audio up to normal levels.
For more information, please see 
User Manual
