Solar tts specification:
- bluetooth v2.0
- supports bluetooth hsp/hfp/opp and at command
- talk time / standby time: 10 hrs. / 250hrs.
- multi-language tts system (us english, uk english, spanish, french, dutch, chinese)
- bright led indicator for working status
- speed dialing
- bluetooth link auto connection
- full duplex with noise and echo cancellation (dsp)
- microphone gain control
- digital volume control
- able to recognize up to 4 paired units
- no installation required
- built-in battery
20x12x7cm.Weight:0.5kg