UNIWA BM001 Zello Walkie Talkie Portable Wireless Microphone Bluetooth PTT for Android, For Android

1. Operation mode: portable
2. SOS button: yes
3. POC button: yes
4. Group switch: support
5.BT Version: BT4.2+EDR
6. BT Protocol: HFP; Hsp; A2DP; AVRCP; SPP
7. Transmission range: up to 10 meters
8. Transmission power: class2.4dbm
9. Sensitivity: 80dbm less than 0.1%BER
10. Audio Performance: SBC Decoding
11. Audio to noise ratio: greater than or equal to 75 dB
12. Speaker power: 1W/8R (116DB)
13. LED indicator: Blue/green LED indicator
14. Earphone jack: 3.5mm audio jack, support PPT earphone
15. Battery capacity: 2000mA/3.7V
16. Charging time: 2.5 hours
17. Operating temperature: -10 ~ 50 degrees C
18. Size: 9 x 7 x 2 cm / 3.54 x 2.76 x 0.79 in