Słuchawki Esperanza EH227K Esperanza słuchawki douszne bluetooth tws laurel

TWS wireless headphones are a type of headphones that connect without a cle not only to the playback device, also to each other. They allow you to wirelessly listen to music, answer phone calls. The headphones are small, comfortle and relile. The functions of the headphones are controlled by touch function tons. The headphone case has a built-in 300mAh battery that allows you to recharge the headphones while traveling, training or walking. Bluetooth version: v.5.0. Supported Bluetooth profiles: HSP HFP, A2DP and AVRCP. Bluetooth transmitter power: 3dBm Bluetooth transmitter frequency: 2.402-2.480GHz Range: up to 10 meters. Built-in rechargele battery: Li-Poly: headphones: 40mAh charging case: 300mAh Usage time (talk time): up to 4 hours Music playback time: up to 3 hours Charging time: out 1 hour Frequency response: 20Hz-20,000Hz Input (charging) voltage: DC 5V The set includes a 25cm microUSB charging cle