[DETAIL] 51 in 1 Electric Screwdriver Set with 48 Drill Bits Precision USB Rechargeable Magnetic Screw Driver Hand Tools for Xiaomi Phone Features： 1.Strong magnetic motor, the maximum speed can reach 170r/min. With the all metal gear box, the concentricity of the bits is less than 0.2mm when rotating, which can effectively improve the finishing efficiency. 2.Small size, built-in rechargeable lithium battery, long service life and 400+ precision screws can be hit when fully charged. 3.48pcs S2 steel precision bits, hardness up to 60HRC, tough and durablem meets the needs of mainstream electronic products and new small household appliances disassembly and assembly. 4.This precision screwdriver has two working modes. The manual and electric modes can be freely switched at any time according to maintenance needs. 5. Integrated aluminum alloy shell, anodized aluminum alloy process is antiskid, sweat resistant and not easy to rust. 6.13 battery safety tests & 3 charging protection is safer 7. 2 LED lights provide enough bright spots. Material:Aluminium Alloy Color:Silver Power Supplies:USB Rechargeable Voltage: 3.7V-DC Free Speed: 170r/min Manual Torqe: 3.5N.m Package includes:1 Set Electric Screwdriver+1 Pcs USB Data Cable [ATTRIBUTES] - Battery Included: Yes - Hign-concerned Chemical: None - is_customized: Yes - Battery Included: Yes - Hign-concerned Chemical: None - is_customized: Yes - Rated Voltage: 5V - Certification: CE - Model Number: A234 - Origin: Mainland China - Max. Torque: 0.3N/M - Power Source: Battery - Brand Name: HAOYUNMA - Type: Screwdriver Set - Power Source: Battery - Use: Home DIY - Motor: Brushless