Overview Product Description Blu-Lync Bluetooth Headset Adapter ONLY FOR ANDROID PHONES - SAMSUNG, SONIM, KYOCERA, GOOGLE PIXEL Compatible with these popular PTT applications: Zello & ESChat The BluLync works with high-noise headsets Clip on back to attach to headset or uniform User Guide Flyer Datasheet Specification: Bluetooth Specification: V 5.0 Class 3 Frequency Range: 2.4 GHz Operating Range: within 35 feet Charge Time: 2-3 hours Talk Time: approx. 30 hours Standby Time: approx. 60 hours Product Videos Custom Field Product Reviews