Wholesale Esperanza Bluetooth Tws Earphones Sagitta

TWS wireless headphones are a type of headphones that connect without a cable not only to the playback device, but also to each other. They allow you to wirelessly listen to music, answer phone calls. The headphones are small, comfortable and reliable. The functions of the headphones are controlled by touch function buttons. The headphone case has a built-in 300mAh battery that allows you to recharge the headphones while traveling, training or walking. * Bluetooth: v.5.0 * Supports Bluetooth profiles: HFP,HSP,A2DP and AVRCP * Bluetooth transmitter power: 3dBm * Bluetooth transmitter frequency: 2.402-2.480GHz * Operating distance: up to 10m * Built-in rechargeable Li-Poly battery: * earphones: 40mAh * charging case: 300mAh * Talking time: up to 4h * Music playing time: up to 3h * Charging time: around 1h * Frequency range: 20Hz-20.000Hz * Input voltage: 5V DC * Included USB C 25cm charging cable