A good quality Handheld Microphone System, supplied with foam lined carry case.  Push switch on/mute/off on base of microphone.  8 Adjustable Channels (rotary switch on mic, push button on receiver).  4 Systems can be used together (Channels 1 to 4 are Channel 70).  XLR or Jack output.   Compatible with 701 Lapel/Headset/Guitar Systems.

• RF Power Output: 10 mW
• Microphone Element: Dynamic, unidirectional
• Batteries: Two 1.5V AA alkaline (not included)
• Battery Life: Approximately 12 hours, depending on battery type and use pattern
• Dimensions: 9.65" (245.0 mm) long, 2.11" (53.5 mm) diameter
• Net Weight: 9.1 oz (257 g) (without batteries)
• Accessory Included: AT8456a Quiet-Flex™ stand clamp
• Overall System
• Operating Frequencies: UHF F-Band: 840-865 MHz
• Number of Channels: 8 (NOTE: Reduced to 4 on Channel 70 after 2012)
• Frequency Stability: ±0.005%, Phase Lock Loop frequency control
• Modulation Mode: FM
• Operating Range: 200' typical
• Operating Temperature Range: 40° F (4° C) to 110° F (43° C)
• Frequency Response: 100 Hz to 12 kHz
• Receiver Specifications
• Receiving System: Antenna-switching diversity
• Output Connector - Unbalanced: 1/4" TS ("mono") phone jack
• Output Connector - Balanced: XLRM-type
• Power Supply: 230V AC (50 Hz) to 12V DC 500m A (centre positive), external power supply
• Dimensions: 7.48" (190.0 mm) W x1.65" (42.0 mm) H x5.12" (130.0 mm) D
• Net Weight: 365g
• Accessory Included: Power supply
• Audio-Technica’s 700 Series wireless delivers professional features and sound quality unheard of in its class. These easy-to-use wireless systems feature eight selectable frequency-coordinated channels, diversity operation for increased range/reliability, automatic frequency scanning, Tone Lock™ squelch and more. 700 Series systems come equipped with your choice of handheld, headworn, or lavalier microphones; or choose a system designed for guitar hookup. For multiple-mic applications, as many as eight systems may be used together.
• 8 selectable frequency-coordinated UHF channels (note: reduced to 4 Licence Free after 2012)
• Use up to 8 simultaneous systems—all channels compatible
• Automatic frequency scanning
• Diversity operation for increased range/reliability
• LED Channel display plus Antenna, AF Peak indicators
• Balanced XLR and unbalanced ¼” output connectors
• Tone Lock™ squelch system eliminates interference when transmitter is off
• Handheld transmitter features: variable trim control, internal channel selector, multi-color battery/power indicator, AA operation