UNIWA BM001 Bluetooth 4.2 Handheld Microphone Intercom Built-in 2000mAh Battery Zello PTT Radio for Motorola with 2-Pin Headphone Jack •The built-in 3.7V/2000mAh battery takes 2.5 hours on a single charge and provides 14 hours of PTT time,12 hours of music playback at maximum volume and 90 hours of standby time •When the Bluetooth microphone is connected to your radio,simply press the PTT button on the microphone to talk to your partner •Not only can it connect to your radio,but also to your iPhone/Android phone or tablet. When the Bluetooth microphone is connected to your phone,you can use it as a small Bluetooth speaker to play music or answer calls •The 2-pin microphone port is compatible with Motorola radios with a 2-pin headphone jack. Don't work for Kenwood,not for Pershing,not for Woolson,not for Baofeng,not for Midland Radio •Specifications: •Material: PVC •Bluetooth version: 4.2 •Bluetooth protocol: HFP/HSP/A2DP/AVRCP/SPP •Transmission range: 10m •Transmission power: CLASS2.4dbm •Sensitivity: 80dBm