NEXTAV BTH-500 Bluetooth PTT Wireless Speaker/Mic for Android iPhone Zello App

Turn your Smartphone into a Walkie Talkie with this device and the Zello App
* Push-to-talk mode
* Mini USB compatible charger
* Rotary volume control
* External earpiece jack
* IP56 dust/water/rain resistance
*Up to 40 hours of talk time
*Range up to 10 meters
* Phone call answer/end button
Product Description
-BT speaker microphone for Zello iOS and Android.
-Rotary power & volume control switch, phone answer / rejection key, and PTT button are embedded.
-Features mini LED lamp on the top of speaker for user in dim environment.
Specification
-Type: Bluetooth Speaker Microphone
-Operating Temp: -20℃±2℃ ~ 50℃±2℃
-Approx. Weight: 126g
-Fully Qualified Bluetooth v4.0.
-Echo cancellation, noise reduction, also extended features.
-High Quality DAC, CSR CVC built-in.
-80MHz RISC MCU and 80MIPS Kalimba DSP.
-Fast Current (200mA) battery charge.
-SBC, MP3, AAC, Fast stream, APTX codec support.
-RoHS compliant.
-HSP / HFP / A2DP / AVRCP/ PBAP / SPP / MAP profile supports.
-Speaker Output: 2W.
-PTT function: built-in.
-Talking Range: Bluetooth class 2, 10 meters.
-Display LED: Blue and Red.
-DC Input: 5 Vdc (std.)
-DC Current: 25 mA (Average).