i7S TWS Mini Bluetooth Bežične Slušalice

Driver: 15mm Impedance: 32 OHM Bluetooth version: Bluetooth v4.1 + EDR Bluetooth use band: 2.4GHz Power level: CLASS II Output power: 30mW Bluetooth distance: 10 meters barrier Frequency response: 20-20000Hz Operating voltage range: 3.0V-4.2V Mitou sensitivity: -42dB With A2DP / AVRCP high quality stereo audio transmission and remote control protocol Powerful noise de-noising circuit (active noise reduction) switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully) Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).) Product Size: Length 25MM. Width 15MM. High 35mm Talk time is about 4-5 hours music time about 4-5 hours Standby time is about 120 hours The charging time is about 60 minutes Battery capacity 60MAH     Package Includes: 2xmini Bluetooth Headphones(left and right earphones) 1xUSB Charging Cable 1xUser Manual