Specifications: - Bluetooth Version: 5.0 - Chipset: BES2000IZ - Profiles: HFP / HSP / A2DP / AVRCP - Range: 10 m - Sensitivity: 96 dB - Battery Capacity: 2 x 60 mAh - Charging Case: - Battery: 2 200 mA - Number of Recharges: 15x - Charging Time: 1 Hour - Charge Input: 5 V DC, 0.5 A - Playback Time: 4 – 6 Hours - Driver: 2 x 6mm - Impedance: 6 ? - Frequency Response: 100 Hz – 16 kHz Features and Benefits: - Case with Powerbank Function - 90 Hour Playtime with Case What's in the box 1 x Earbuds with Powerbank Charging Case