New MF9 Bluetooth Headset Does Not Fit in The Ear, Hang on The Ear, External Sound, OWS Headset, Adjustable Angle, Business Sports Headset

Parameter: Bluetooth version: 5.3 + EDR Distance: 10 meters Talk time: about 15 hours Listening time: about 15 hours Headphone battery: 75MAH Wireless Frequency: 2.4GHZ Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10 meters Charging voltage/current: 5V/1A Charging time: about 1 hour Standby time: 120 hours Speaker impedance: φ 14MM 32 &; Mist sensitivity: -42Db Working temperature: -10-50 ℃ OPP bag weight: 18G Headphone weight: 6G Box size: 12 * 9 * 2.8CM Package weight: 44G Accessories: with TYPE-C charging cable, manual, earphones