F9-3 TWS bluetooth Bilateral Stereo Noise Reduction IPX5 Waterproof Earphone Headphones with Chargin

Description: Headset parameters bluetooth version: V5.0+EDR Wireless frequency: 2.4ghz Support agreement: A2DP1. 3 / HFP1.6 HSP1.2 / AVRCP1.6 / D11.3 Transmission distance: 10 meters Battery capacity: 50mAh Charging voltage/current: 5V/1A Playback/call time: approximately 4 hours Charging time: about 1 hour Standby time: 120 hours 32 ?? speaker impedance: phi 8 mm Sensitivity of microphone: -42 db Operating temperature: -10-50a?? Gross weight: 4 g *2 Charging bin parameters Input voltage/current: 5V/1A Battery capacity: 2000mAh Gross weight: 69g ? Features: - Pick up automatic matching, receive automatic shutdown charging. - Dual noise reduction technology, comprehensive reduction of noise interference, enjoy high-quality stereo sound. - The separate design of the two ears can be connected to a mobile phone at the same time or can be used independently, which is equivalent to two separate earphones. - IPX5 waterproof design, can resist rain and sweat, suitable for sports wear. - Listening to music for 6 hours, low power consumption. - Bilateral stereo voice, bilateral call, restore the phone end quality call experience. ? Package included: 1 x Wireless earphone