The_300mah_charging_box_can_charge_2_earphones_about_5_times _more_24_hours_of_music_time.lenovo_custom_bluetooth_5.0 _can_be_used_with_bluetooth_devices _apple_android_general.the_sound_quality_is_great _there_is_a_large_13mm_speaker_in_it _it_sounds_really_comfortable.semi-in-ear_design _single_earphone_only_weighs_3.5g _which_is_light_and_comfortable_to_wear_without_feeling.support_call _call_quality_is_very_good _clear_without_noise.the_earphone_bin_built-in_large-capacity_battery _charging_2_hours _single_use_of_3-4_hours _a_total_of_20_hoursthe_earpiece_is_touch_operation _can_directly_operate_the_volume _answer_the_call.earphone_bin_adopts_round_translucent_design _higher_appearance_level _compact_appearance_and_convenient_to_carryaccessories_lists2__bluetooth_fone De Ouvido1__charging_case1__usb_cabo1__manual Do Usuário