Protocol: SPP1.2, RFCOMM1.2, A2DP1.3 AVRCP1.6 GAVDP1.3 AVDTP1.3 AVCTP1.4 HFP1.7 PBAP1.2. Maximum input amplitude 800mv (RX, Line in input), 20mv (TX, microphone input).
Audio output interface TRS (RX headphone output). Signal to noise ratio >55db. Charging and data port Type-c.
Use time more than 6 hours. Use distance 50 meters straight line barrier-free environment. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
I usually respond untill 48 hours. We are working in Monday to Friday. If you are not satisfied, please kindly let us know. Your constructive advice will be our motion to revise and improve, thank you for your understanding.We will reply you within 24 hours. This item is in the category "Musical Instruments & DJ Equipment\Pro Audio Equipment\Microphones". The seller is "nuhai20202" and is located in this country: CN. This item can be shipped worldwide.