EARBUDS Headphones + microphone SBOX Bluetooth EB-TWS115 PinkProduct id: EB-TWS115-P, Barcode: 3858894502615 Details Headset type: Bluetooth, In-earFrequency response (Hz): 20-20000Headphones impedance (Ohm): 32Headphones sensitivity (dB): 102 +/- 3Driver size (mm): 8Interface: Bluetooth 5.0 / Type-C (for charging)Material: PlasticColor: PinkTalk time / music time (h): 4-5Charging time (h): 1-2Range (m): 10Chip: Bluetrum AB5616Battery: Lithium-polymer, 35mAh earphones + 200mAh charging case .